Source : Webster's Revised Unabridged Dictionary (1913)

Peltate \Pel"tate\, Peltated \Pel"ta*ted\, a. [Cf. F. pelt['e].
   See {Pelta}.]
   Shield-shaped; scutiform; (Bot.) having the stem or support
   attached to the lower surface, instead of at the base or
   margin; -- said of a leaf or other organ. -- {Pel"tate*ly},
   adv.

Source : WordNet®

peltate
     adj : of a leaf shape; round, with the stem attached near the
           center of the lower surface rather than the margin (as
           a nasturtium leaf for example) [syn: {shield-shaped}]