external ear

noun
1.
the outer portion of the ear, consisting of the auricle and the canal extending to the tympanic membrane.
Examples from the web for external ear
  • When you speak, sound energy spreads in the air around you and reaches your cochlea through your external ear by air conduction.
  • Snakes don't have external ear parts, but they do have fully formed inner ears that are connected to the jawbone.
  • All chameleons lack ears and have no visible external ear drum.
British Dictionary definitions for external ear

external ear

noun
1.
the part of the ear consisting of the auricle and the auditory canal
external ear in Medicine

external ear n.
The outer portion of the ear including the auricle and the passage leading to the eardrum. Also called outer ear.