The Collaborative International Dictionary of English v.0.48:

Piciformes \Pic`i*for"mes\ (p[i^]s`[i^]*f[^o]r"m[=e]z), prop. n.
   pl. [NL. See Picus, and -form.] (Zool.)
   A group of birds including the woodpeckers, toucans, barbets,
   colies, kingfishes, hornbills, and some other related groups.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Piciformes
    n 1: woodpeckers; jacamars; puffbirds; barbets; honey guides;
         toucans [syn: Piciformes, order Piciformes]