ocrea

[ok-ree-uh, oh-kree-uh]

noun, plural oc·re·ae [ok-ree-ee, oh-kree-ee] /ˈɒk riˌi, ˈoʊ kriˌi/. Botany, Zoology.

a sheathing part, as a pair of stipules united about a stem.

Also ochrea.

Origin of ocrea

1820–30; < Latin: greave, legging

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

Examples from the Web for ocrea

Historical Examples of ocrea

Part of stem and leaf of Prince's-Feather (Polygonum orientale) with the united sheathing stipules forming a sheath or ocrea.
The Elements of Botany
Asa Gray

British Dictionary definitions for ocrea

ocrea

noun plural -reae (-rɪˌiː)

a variant spelling of ochrea

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