[ kos-tuh t, kaw-steyt ]
/ ˈkɒs tət, ˈkɔ steɪt /
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. 2020
Example sentences from the Web for costate
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