carinan.
/kəˈriːnə/, /kəˈrʌɪnə/, U.S. /kəˈrinə/, /kəˈraɪnə/ Zoology and Botany.
Applied to various structures of the form of a keel or ridge; esp.
a. the two petals forming the base of a papilionaceous corolla.
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1836 A. Gray Elements Bot. iv. 183 The papilionaceous corolla..has five petals, the two lower ones usually cohering more or less by their lower margins, so as to appear like a single petal, form the carina or keel.
1872 D. Oliver Lessons Elem. Bot. (new ed.) App. 304 Alæ roundish, converging, shorter than the compressed, curved carina.
b. the median ridge on the mericarp of an umbelliferous fruit.
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the world > plants > part of plant > part defined by form or function > ridge channel > [noun]
wrinkle1545
crest1597
ruga1683
tubea1704
furrow1725
flute1728
stria1731
rib1740
carina1774
striolet1826
vallecula1856
channel1875
carination1880
rumination1889
striola1903
riblet1949
1774 Garden in Philos. Trans. (Royal Soc.) 65 104 This carina, or keel, is very distinguishable..by its thinness, its apparent laxness.
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c. the median ridge on the sternum of birds.
d. the dorsal single plate of the shell of Cirripedes.
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1828 J. Stark Elements Nat. Hist. II. 187 Dorsal carina prolonged and pointed.
1872 H. A. Nicholson Man. Palæontol. 151 The compartment at the end of the shell where the animal thrusts out its cirrated limbs, is called the ‘carina’.
e. the vertebral column of an embryo. ( New Sydenham Soc. Lexicon)
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the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > spinal column
keel1674
carina1704
notochord1848
chorda dorsalis1873
1704 J. Harris Lexicon Technicum I Carina, is a Term used..by the Anatomists for the first Rudiments of the intire Vertebræ, as they appear in a Chicken's Embryo..because it is crooked in the form of the Keel of a Ship.
Draft additions March 2007
Astronomy. In form Carina. (The name of) a constellation of the southern hemisphere between Volans and the Milky Way; the Keel. Also (in form Carinae) used as a postmodifier in the names of stars belonging to this constellation. Abbreviated Car (without point).The constellation was formed, together with Puppis, Pyxis, and Vela, from the division of the former constellation Argo in the 19th cent.
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the world > the universe > constellation > Southern constellations > [noun] > Argo
ship1599
starship1606
carina1845
1834 Penny Cycl. II. 309/1 Owing to the extent of this constellation, it is usual to subdivide it into four... They are named as follows: Argo, Argo in Carina.., Argo in Puppi.., Argo in Velis.]
1845 J. Herschel in Rep. Brit. Assoc. Advancem. Sci. 1844 41 As regards the southern constellations, the following are the principles proposed to be adhered to: viz...5°. That Argo be divided into four separate constellations, as partly contemplated by Lacaille; retaining his designations of Carina, Puppis and Vela; and substituting the term Malus for Pixis Nautica, since it contains four of Ptolemy's stars that are placed by him in the mast of the ship, since it contains four of Ptolemy's stars that are placed by him in the mast of the ship.
1906 Science 23 Mar. 447/1 A few stars were assigned to several subdivisions.., the most marked case being S Carinae.
1929 H. Shapley & H. E. Howarth Source Bk. Astron. 239 (caption) The diffuse galactic nebula of η Carinae (Argus).
1990 Daily Tel. 10 May 13/1 The telescope..had been searching for a cluster in the Carina constellation.
1995 Monthly Notices Royal Astron. Soc. 273 359/1 η Carinae is a massive and very luminous variable star.
This entry has not yet been fully updated (first published 1888; most recently modified version published online December 2021).
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