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n. - A highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence.

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Usage examples (31)
  • In this way they form a kind of involucre around the central parts.
  • Most of the nuts drop because of the injury to the involucre.
  • This beetle ordinarily lays its eggs in the involucre of the butternut.
  • In these the involucre is little altered, and the receptacle is attacked by larva.
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Tutoring comment
  • This word was used in the 2006 Scripps National Spelling Bee finals.
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