Definition from Wiktionary, the free dictionary
- (intransitive, botany) To burst or split open at definite places, discharging seeds, pollen or similar content.
Anthers dehisce when the flower opens.
- (intransitive, medicine) To rupture or break open, as a surgical wound.
A surgical wound may partially or completely dehisce after surgery, depending upon whether some or all of the layers of tissue come open.
(botany) burst or split open