[ kos-tuht, kaw-steyt ]
/ ˈkɒs tət, ˈkɔ steɪt /
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Anatomy. having ribs.
(of mosses) having a midrib or costa.
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Origin of costate
1810–20; <Latin costātus having ribs, ribbed, equivalent to cost(a) rib + -ātus-ate1
OTHER WORDS FROM costatemul·ti·cos·tate, adjective
Words nearby costate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for costate
Valves costate, the cost alternating with double rows of fine puncta.The Diatomaceae of Philadelphia and Vicinity|Charles Sumner Boyer
Costal margin: the anterior margin of a wing whether it is really costate or not.Explanation of Terms Used in Entomology|John. B. Smith
Shell ovate, spinulate and costate, nearly twice as broad as long.
British Dictionary definitions for costate
/ (ˈkɒsteɪt) /
anatomy having ribs
(of leaves) having veins or ridges, esp parallel ones
Word Origin for costate
C19: from Late Latin costātus, from Latin costa rib
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