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Webster 1913 Edition
Palmated
{ 
Pal′mate
,Pal′ma-ted
, }Adj.
 [L. 
palmatus 
marked with the palm of a hand, from palma 
the palm of the hand.] 1. 
Having the shape of the hand; resembling a hand with the fingers spread. 
2. 
(Bot.) 
Spreading from the apex of a petiole, as the divisions of a leaf, or leaflets, so as to resemble the hand with outspread fingers. 
Gray.
 3. 
(Zool.) 
(a) 
Having the anterior toes united by a web, as in most swimming birds; webbed. See Illust. (i) under 
Aves
. (b) 
Having the distal portion broad, flat, and more or less divided into lobes; – said of certain corals, antlers, etc. 
Webster 1828 Edition
Palmated
PAL'MATED
,Adj.
 1.
  Having the shape of a hand; resembling a hand with the fingers spread; as palmated leaves or stones.2.
  Entirely webbed; as the palmated feet of aquatic fowls.