scutumn.

Brit.

/ˈskjuːtəm/, U.S.

/ˈsk(j)udəm/

Forms: Plural scuta /ˈskjuːtə/.

Etymology: modern Latin use of Latin scūtum shield, < Indogermanic root *skū- (:*skeu- ) to cover, whence sky n.¹The Latin scūtum denoted specifically the large oblong shield, in contradistinction to the clipeus or buckler. In modern anatomical Latin the word was formerly used as a name for the kneecap and for the thyroid cartilage.

1. Botany. ‘The broad dilated stigma in some asclepiads’ ( Treasury Bot. 1866).

ΚΠ

1832 J. Lindley Introd. Bot. i. ii. 122 The circular space in the middle of the top of the orbiculus is the scutum.

2. Entomology. The second segment of each of the three divisions of the tergum in insects.The scuta respectively of the pronotum, mesonotum, and metanotum are called proscutum, mesoscutum, and metascutum. The term scutum alone sometimes = mesoscutum n. at meso- comb. form 1a.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > second segment of division of tergum

scutum1830

1830 MacLeay in Zool. Jrnl. V. 169 The scutum, whether the collar be apparent or not, is therefore the second piece of the mesothorax.

1833 F. Walker in Entomol. Mag. I. 26 A yellow line extends along the suture [of Decatoma biguttata], between the scutum and the parapsides of the mesothorax.

3. Zoology. A shield-like dermal plate; a scute.

ΘΚΠ

the world > animals > animal body > general parts > covering or skin > [noun] > hard or protective covering > scale > large scale or bony plate > dermal plate

scutum1771

1771 Encycl. Brit. II. 224/2 They [sc. snakes] have a number of scuta, or hard crusts, on the belly; and scutellæ, or scales, on the tail.

1870 H. A. Nicholson Man. Zool. (1875) lxiv. 482 [The true Lizards and the Monitors] are chiefly separated by the..fact that the abdomen and head are covered with ordinary scales, and not with large ‘scuta’.

1870 H. A. Nicholson Man. Zool. (1875) Gloss. Scuta, applied to any shield-like plates; especially to those which are developed in the integument of many reptiles.

Draft additions 1993

4. Astronomy. (With capital initial.) A small constellation of the southern hemisphere, lying between Aquila and Serpens. Originally named Scutum Sobiescianum by J. Hevelius (a1687, in Prodromus Astronomiæ (1690) viii. 115), after John III Sobieski (1629–96), king of Poland; this was later changed to Scutum Sobieski(i).

ΘΚΠ

the world > the universe > constellation > Northern constellations > [noun] > Scutum

scutum1773

Sobieski's Shield1773

shield1960

a1719 J. Flamsteed Historia Coelestis Britannica (1725) III. 58 In Constellatione Aquilæ..quæ est J. Hevel. Scuti 2^a.]

1773 Encycl. Brit. I. 487/2 (table) Scutum Sobieski.

1875 Encycl. Brit. II. 817/1 (table) Scutum Sobieskii.

1890 G. F. Chambers Handbk. Astron. (ed. 4) III. xiv. viii. 221 This constellation is sometimes called Clypeus Sobieskii, but Scutum simply is now its more usual designation.

1930 C. H. Payne Stars of High Luminosity vii. 89 The discontinuity noted by Krieger in the direction of the Scutum cloud would, if substantiated, strengthen the case for separate groups materially.

1961 Listener 7 Dec. 977/1 Systems such as the Sword-Handle in Perseus and the aptly named ‘Wild Duck’ cluster in Scutum.

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022).

单词	scutum
释义	scutumn. Brit. /ˈskjuːtəm/, U.S. /ˈsk(j)udəm/ Forms: Plural scuta /ˈskjuːtə/. Etymology: modern Latin use of Latin scūtum shield, < Indogermanic root skū- (:skeu- ) to cover, whence sky n.¹The Latin scūtum denoted specifically the large oblong shield, in contradistinction to the clipeus or buckler. In modern anatomical Latin the word was formerly used as a name for the kneecap and for the thyroid cartilage. 1. Botany. ‘The broad dilated stigma in some asclepiads’ ( Treasury Bot. 1866). ΚΠ 1832 J. Lindley Introd. Bot. i. ii. 122 The circular space in the middle of the top of the orbiculus is the scutum. 2. Entomology. The second segment of each of the three divisions of the tergum in insects.The scuta respectively of the pronotum, mesonotum, and metanotum are called proscutum, mesoscutum, and metascutum. The term scutum alone sometimes = mesoscutum n. at meso- comb. form 1a. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > second segment of division of tergum scutum1830 1830 MacLeay in Zool. Jrnl. V. 169 The scutum, whether the collar be apparent or not, is therefore the second piece of the mesothorax. 1833 F. Walker in Entomol. Mag. I. 26 A yellow line extends along the suture [of Decatoma biguttata], between the scutum and the parapsides of the mesothorax. 3. Zoology. A shield-like dermal plate; a scute. ΘΚΠ the world > animals > animal body > general parts > covering or skin > [noun] > hard or protective covering > scale > large scale or bony plate > dermal plate scutum1771 1771 Encycl. Brit. II. 224/2 They [sc. snakes] have a number of scuta, or hard crusts, on the belly; and scutellæ, or scales, on the tail. 1870 H. A. Nicholson Man. Zool. (1875) lxiv. 482 [The true Lizards and the Monitors] are chiefly separated by the..fact that the abdomen and head are covered with ordinary scales, and not with large ‘scuta’. 1870 H. A. Nicholson Man. Zool. (1875) Gloss. Scuta, applied to any shield-like plates; especially to those which are developed in the integument of many reptiles. Draft additions 1993 4. Astronomy. (With capital initial.) A small constellation of the southern hemisphere, lying between Aquila and Serpens. Originally named Scutum Sobiescianum by J. Hevelius (a1687, in Prodromus Astronomiæ (1690) viii. 115), after John III Sobieski (1629–96), king of Poland; this was later changed to Scutum Sobieski(i). ΘΚΠ the world > the universe > constellation > Northern constellations > [noun] > Scutum scutum1773 Sobieski's Shield1773 shield1960 a1719 J. Flamsteed Historia Coelestis Britannica (1725) III. 58 In Constellatione Aquilæ..quæ est J. Hevel. Scuti 2^a.] 1773 Encycl. Brit. I. 487/2 (table) Scutum Sobieski. 1875 Encycl. Brit. II. 817/1 (table) Scutum Sobieskii. 1890 G. F. Chambers Handbk. Astron. (ed. 4) III. xiv. viii. 221 This constellation is sometimes called Clypeus Sobieskii, but Scutum simply is now its more usual designation. 1930 C. H. Payne Stars of High Luminosity vii. 89 The discontinuity noted by Krieger in the direction of the Scutum cloud would, if substantiated, strengthen the case for separate groups materially. 1961 Listener 7 Dec. 977/1 Systems such as the Sword-Handle in Perseus and the aptly named ‘Wild Duck’ cluster in Scutum. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022). < n.1771
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