Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A series of bracts beneath or around a flower or flower cluster.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Conspicuous bract, bract pair or ring of bracts at the base of an inflorescence.
  • the GNU version of the Collaborative International Dictionary of English
  • n. A whorl or set of bracts around a flower, umbel, or head.
  • n. A continuous marginal covering of sporangia, in certain ferns, as in the common brake, or the cup-shaped processes of the filmy ferns.
  • n. The peridium or volva of certain fungi. Called also involucrum.
  • The Century Dictionary and Cyclopedia
  • n. In botany, any collection of bracts round a cluster of flowers.
  • n. In anatomy, a membranous envelop. as the pericardium.
  • n. 3, In zoology, an involucrum.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence
  • Hypernym
    Words that are more generic or abstract
    involucra    involucrum