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definitions

external ear

noun
  1. the outer portion of the ear, consisting of the auricle and the canal extending to the tympanic membrane.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for external ear

external ear

noun
  1. the part of the ear consisting of the auricle and the auditory canal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
external ear in Medicine

external ear

n.
  1. The outer portion of the ear including the auricle and the passage leading to the eardrum.outer ear
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.