of or relating to birds belonging to the six families which make up the order Piciformes. The best-known of these six is the Picidae family and the entire order is made up of mainly tree-haunting birds
piciform in American English
(ˈpɪsəˌfɔrm)
adjective
of, or having the nature of, an order (Piciformes) of birds, including woodpeckers and toucans, having two front and two hind toes for clinging to vertical surfaces