*sphenotic*

a. [ Spheno- + &unr_;&unr_;&unr_;, &unr_;&unr_;&unr_;, the ear. ] (Anat.) Of, pertaining to, or designating, the sphenotic bone. [ 1913 Webster ]

Sphenotic bone (Anat.), a bone on the anterior side of the auditory capsule of many fishes, and connected with, or adjoining, the sphenoid bone. [ 1913 Webster ]