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intr.v. de·hisced, de·hisc·ing, de·hisc·es
1. Botany To open at definite places, discharging seeds, pollen, or other contents, as the ripe capsules or pods of some plants.
2. Medicine To rupture or break open, as a surgical wound.
[Latin dehīscere : dē-, de- + hīscere, to split, inchoative of hiāre, to be open.]
(Botany) (intr) (of fruits, anthers, etc) to burst open spontaneously, releasing seeds, pollen, etc
[C17: from Latin dēhiscere to split open, from de- + hiscere to yawn, gape]
v.i. -hisced, -hisc•ing.
to burst open, as capsules of plants; gape.
[1650–60; < Latin dēhiscere to gape, part =dē- de- + hiscere to gape, yawn]
Past participle: dehisced