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Webster 1913 Edition
Pinnatiped
Pin-nat′i-ped
,Adj.
 [L. 
pinnatus 
feathered + pes
, pedis 
foot: cf. F. pinnatipède
.] (Zool.) 
Having the toes bordered by membranes; fin-footed, as certain birds. 
 Pin-nat′i-ped
,Noun.
 (Zool.) 
Any bird which has the toes bordered by membranes. 
Webster 1828 Edition
Pinnatiped
PIN'NATIPED
,Adj.