caniform adjective 1noun 1forms 1 adjective1 •Characteristic of, or relating to the Caniformia. noun1 •Any carnivore of the suborder Caniformia, which are regarded as dog-like.Modern carnivores appeared as well, diverging into the feliforms (cats, hyaenas, and mongooses) and caniforms (dogs, bears, raccoons, weasels, and seals). — 1997 formscaniforms