Of the ear (4)
'of the ear' is the definition.
(otic means relating to the ear)
This is the entire clue.
(Other definitions for otic that I've seen before include "Listener's" , "Relating to ears" , "of lugs" , "in relation to the listener" , "relating to area incorporating canal" .)
'of the ear' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for aural that I've seen before include "Hearing-related" , "but not in the nose!" , "Received by the ears" , "Relating to sense of hearing" , "of the listener" .)