[kos-tuh t, kaw-steyt]


Anatomy. having ribs.
(of mosses) having a midrib or costa.

Origin of costate

1810–20; < Latin costātus having ribs, ribbed, equivalent to cost(a) rib + -ātus -ate1
Related formsmul·ti·cos·tate, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for costate

Historical Examples of costate

British Dictionary definitions for costate



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