Source : Webster's Revised Unabridged Dictionary (1913)

Piciformes \Pic`i*for"mes\, n. pl. [NL. See {Picus}, and
   {-Form}.] (Zo["o]l.)
   A group of birds including the woodpeckers, toucans, barbets,
   colies, kingfishes, hornbills, and some other related groups.

Source : WordNet®

Piciformes
     n : woodpeckers; jacamars; puffbirds; barbets; honey guides;
         toucans [syn: {order Piciformes}]