dehisce /dɪˈhɪs/ verb2 •To burst or split open at definite places, discharging seeds, pollen or similar content.Anthers dehisce when the flower opens. •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. formsdehisced · dehiscing · dehisces