Webster's English Dictionary

Enter the word to look up:

pinnate

pin.nate \'pin-.a-t\ \pin-'a--sh*n\ aj [NL pinnatus, fr. L, feathered, fr. 
   pinna] : resembling a feather esp. in having similar parts arranged on 
   opposite  sides of an axis like the barbs on the rachis of a feather {~ 
   leaf} - pin.nate.ly av