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n. pl. cos·tae (-tē) Biology
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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -tae (-tiː)
1. (Anatomy) the technical name for rib11
2. (Biology) a riblike part, such as the midrib of a plant leaf
[C19: from Latin: rib, side, wall]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
cos•ta(ˈkɒs tə, ˈkɔ stə)
n., pl. cos•tae (ˈkɒs ti, ˈkɔ sti)
1. a rib, riblike structure, or ridge.
a. Also called cos′tal vein′. a vein, usu. marginal, in the front part of the wing of certain insects.
b. Also called cos′tal mar′gin. the anterior edge or border of the wing of certain insects.
[1865–70; < Latin: rib, side. compare coast]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
costa- A rib or riblike structure.
See also related terms for rib.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
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|Noun||1.||costa - a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing)|
|2.||costa - any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum in humans (and similar bones in most vertebrates)|
craniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
true rib - one of the first seven ribs in a human being which attach to the sternum
costal cartilage - the cartilages that connect the sternum and the ends of the ribs; its elasticity allows the chest to move in respiration
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