saccate

a. [ NL. saccatus, fr. L. saccus a sack, bag. ] 1. (Biol.) Having the form of a sack or pouch; furnished with a sack or pouch, as a petal. [ 1913 Webster ]

2. (Zool.) Of or pertaining to the Saccata, a suborder of ctenophores having two pouches into which the long tentacles can be retracted. [ 1913 Webster ]