costa
a rib or riblike part.
the midrib of a leaf in mosses.
a ridge.
Entomology.
Also called costal vein . a vein, usually marginal, in the anterior portion of the wing of certain insects.
Also called costal margin. the anterior edge or border of the wing of certain insects.
Origin of costa
1Other words from costa
- pseu·do·cos·ta, noun, plural pseu·do·cos·tae.
Other definitions for Costa (2 of 2)
Lú·cio [loo-syoo], /ˈlu syu/, 1902–98, Brazilian architect, chief designer of Brasilia.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for costa
/ (ˈkɒstə) /
the technical name for rib 1 (def. 1)
a riblike part, such as the midrib of a plant leaf
Origin of costa
1Derived forms of costa
- costal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for costa
[ kŏs′tə ]
A rib or a riblike part, such as the midrib of a leaf or a thickened anterior vein or margin of an insect's wing.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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