I. |epē+ adjective
Etymology: epi- + -otic (of the ear)
: belonging to or constituting the upper and outer element of the bony capsule of the internal ear that in man forms a part of the temporal bone
II. noun
( -s )
: one of the small cartilage bones of the capsule of the inner ear in birds and lower vertebrates that is represented in mammals by a part of the temporal bone