2 definitions found From WordNet (r) 2.0 [wn]: indehiscent adjective: (of e.g. fruits) not opening spontaneously at maturity to release seeds [ant: {dehiscent}] From The Collaborative International Dictionary of English v.0.44 [gcide]: Indehiscent \In'de*his"cent\, adjective [Pref. in- not + dehiscent: cf. F. ind['e]hiscent.] (Bot.) Remaining closed at maturity, or not opening along regular lines, as the acorn, or a cocoanut.

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