Saccate
Saccate , adjective
[New Latin saccatus, from Latin saccus a sack, bag.]
1.
(Biology) Having the form of a sack or pouch; furnished with a sack or pouch, as a petal.
2.
(Zoology) Of or pertaining to the Saccata, a suborder of ctenophores having two pouches into which the long tentacles can be retracted.