callis is, m and f 1 CEL-, CER-, a stony footway, foot-path, mountain-path, pass, defile: inviis callibus, L.: angustus, V.: suum servare cal{*}em, O.: deviae, L.: vix singulis pervii, Cu.
—A mountain-pasturage, alp: Italiae callīs praedari: per occultos calles, V.