(n): an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
(n): good hearing
(n): the ability to hear; the auditory faculty
(n): the externally visible cartilaginous structure of the external ear
(n): body structure given shape by cartilage
(n): attention to what is said
(n): the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
(n): fruiting spike of a cereal plant especially corn
(n): the ripened reproductive body of a seed plant
Slang for a stethoscope.