n. A large bract that envelops or subtends a whole inflorescence, typically a spadix.
the GNU version of the Collaborative International Dictionary of English
n. A special involucre formed of one leaf and inclosing a spadix, as in aroid plants and palms. See the Note under bract, and Illust. of spadix.
The Century Dictionary and Cyclopedia
n. In botany, a peculiar often large and colored bract, or pair of bracts, which subtend or envelop a spadix, as in palms and arums.
n. In zoology, some spatulate or spoon-shaped part.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a conspicuous bract surrounding or subtending a spadix or other inflorescence
Word Usage
"An enveloping leaf (bract), called the spathe, which is often brilliantly colored, surrounds the florets, or fruits, that are disposed upon a spadix."