The Collaborative International Dictionary of English v.0.48:
Rhinal \Rhi"nal\, a. [Gr???, ???, the nose.] (Anat.) Og or pertaining to the nose or olfactory organs. [1913 Webster]WordNet (r) 3.0 (2006):
rhinal adj 1: of or in or relating to the nose; "nasal passages" [syn: rhinal, nasal]