• (a.) Pertaining to expansions of the nasal bone or cartilage.
(al″ĭ-na´sәl) pertaining to either of the cartilaginous flaps of the nose.
Al`i·na'sal adjective [ Latin ala wing + English nasal .] (Anat.) Pertaining to expansions of the nasal bone or cartilage. 
Type: Term Pronunciation: al′i-nā′săl Definitions: 1. Relating to the wings of the nose (alae nasi), or flaring portions of the nostrils.
alinasal 1. Relating to the wings of the nose (alae nasi). 2. Flaring portions of the nostrils of the nose.