WordReference Random House Unabridged Dictionary of American English © 2026
sub•cos•ta
(sub kos′tə, -kô′stə),USA pronunciation n., pl. -cos•tae
sub•cos′tal, adj.
-
(-kos′tē, -kô′stē).USA pronunciation
- a longitudinal vein in the anterior portion of the wing of an insect.
- Neo-Latin; see sub-, costa
- 1860–65