sulcusn.
/ˈsʌlkəs/, U.S. /ˈsəlkəs/ 1.
a. A groove made with an engraving tool.
ΘΚΠ
society > leisure > the arts > visual arts > printmaking > engraving > [noun] > groove
sulcus1662
1662 J. Evelyn Sculptura v. 126 Monsieur Bosse's invention of the Eschoppe, does render the making of this Sulcus, much more facile.
b. A trench.
ΘΚΠ
the world > food and drink > farming > cultivation or tillage > preparation of land or soil > ditching or drainage > [noun] > ditch
dikec893
gripa1000
ditch1045
fosselOE
water-furrowlOE
sow1316
furrowc1330
rick1332
sewer1402
gripplec1440
soughc1440
grindle1463
sheugh1513
syre1513
rain?1523
trench1523
slough1532
drain1552
fowsie?1553
thorougha1555
rean1591
potting1592
trink1592
syver1606
graft1644
work1649
by-ditch1650
water fence1651
master drain1652
rode1662
pudge1671
gripe1673
sulcus1676
rhine1698
rilling1725
mine1743
foot trench1765
through1777
trench drain1779
trenchlet1782
sunk fence1786
float1790
foot drain1795
tail-drain1805
flow-dike1812
groopa1825
holla1825
thorough drain1824
yawner1832
acequia madre1835
drove1844
leader1844
furrow-drain1858
1676 J. Evelyn Philos. Disc. Earth 58 The Sulcus or Trench be made to run from North to South.
c. A hollow or depression in the land. rare.
ΘΚΠ
the world > the earth > land > landscape > low land > hollow or depression > [noun]
pathOE
slackc1400
navela1425
trough1513
nook1555
falling1565
swale1584
hella1653
depression1665
holl1701
sag1727
dip1783
recession1799
holler1845
sike1859
sitch1888
sulcus1901
1901 A. Trotter E. Galloway Sketches 158/2 The house..is situated in a sulcus of fertile land.
2.
a. Anatomy. A groove or furrow in a body, organ, or tissue.
ΘΚΠ
the world > life > biology > physical aspects or shapes > indentation or cavity > [noun] > groove or furrow
gutter1553
scissure1607
rut1615
fissure1656
sulcus1744
groove1789
canaliculation1797
fossule1803
fossula1811
furrow1819
sulcation1852
sulculus1859
vallecula1859
1744 tr. H. Boerhaave Acad. Lect. Theory Physic III. 297 The sensible Papillæ lie concealed in the Sulci formed by the Cuticle.
1766 Compl. Farmer at Shoeing The sulcus of the inner surface of the hoof.
1822 J. M. Good Study Med. IV. 260 Hydatids have found the means of forming a nidus in some one of the sulci of the womb.
1872 E. Coues Key to N. Amer. Birds 27 Sulci, like carinæ, are of all shapes, sizes and positions.
1897 T. C. Allbutt et al. Syst. Med. IV. 227 A distinct sulcus between the liver and gall bladder is nearly always perceptible to the touch.
b. spec. A fissure between two convolutions of the brain.
ΘΚΠ
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > fissure
anfractuosity1687
Sylvian fissure1828
sulcus1833
Rolando1839
valley1839
subfissure1889
subgyre1889
1833 J. Forbes et al. Cycl. Pract. Med. I. 286/2 The sulci which separate the convolutions.
1840 G. V. Ellis Demonstr. Anat. 15 On its under surface, near the median fissure of the brain, is a sulcus, which lodges the olfactory nerve.
1899 T. C. Allbutt et al. Syst. Med. VII. 273 That portion of the cerebral hemisphere which lies anterior to the precentral sulcus.
3. Botany. The lamella in some fungi.
ΘΚΠ
the world > plants > particular plants > fungi > [noun] > parts of > cells and tissue
chive1721
spawn1731
mushroom spawn1753
volva1753
ring1777
veil1777
curtain1796
wrapper1796
fungin1813
subiculum1821
cortina1832
velum1832
mycelium1836
uterus1836
gleba1847
hypostroma1855
sulcus1856
rhizopod1859
tigellule1860
trichophore1860
hypha1866
hypothecium1866
rhizopodium1866
annulus1871
capillitium1871
acervulus1872
weft1875
capsule1883
clamp-connection1887
periphysis1887
chain gemma1893
trumpet hypha1900
metula1915
monokaryon1935
1856 J. S. Henslow Dict. Bot. Terms 90.
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
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