dehisce
verb
de·hisce di-ˈhis 
dehisced; dehiscing
intransitive verb
: to split along a natural line
also : to discharge contents by so splitting
seedpods dehiscing at maturity
Word History
Etymology
Latin dehiscere to split open, from de- + hiscere to gape; akin to Latin hiare to yawn — more at yawn
First Known Use
1657, in the meaning defined above
Medical Definition
dehisce
intransitive verb
de·hisce di-ˈhis
dehisced; dehiscing
: to undergo dehiscence