tricostate

[trahy-kos-teyt, -kaw-steyt]

adjective Botany, Zoology.

having three ribs, costae, or raised lines.

Origin of tricostate

First recorded in 1860–65; tri- + costate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for tricostate

tricostate

adjective

biology having three ribs or riblike partstricostate leaves

Word Origin for tricostate

C19: from tri- + costate

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