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