"pertaining to the nose," 1857, from rhino- + -al (1). Related: Rhinally.
Entries linking to rhinal
rhino-
before vowels rhin-, word-forming element of Greek origin meaning "nose, of the nose," from Greek rhino-, combining form of rhis "nose," which is of uncertain origin.
-al 1
suffix forming adjectives from nouns or other adjectives, "of, like, related to, pertaining to," Middle English -al, -el, from French or directly from Latin -alis (see -al (2)).