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1

ear

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noun \ˈir\

Definition of ear

  1. 1 a :  the characteristic vertebrate organ of hearing and equilibrium consisting in the typical mammal of a sound-collecting outer ear separated by the tympanic membrane from a sound-transmitting middle ear that in turn is separated from a sensory inner ear by membranous fenestrae b :  any of various organs (as of a fish) capable of detecting vibratory motion

  2. 2 :  the external ear of humans and most mammals

  3. 3 a :  the sense or act of hearing b :  acuity of hearing c :  sensitivity to musical tone and pitch; also :  the ability to retain and reproduce music that has been heard d :  sensitivity to nuances of language especially as revealed in the command of verbal melody and rhythm or in the ability to render a spoken idiom accurately

  4. 4 :  something resembling a mammalian ear in shape, position, or function: as a :  a projecting part (as a lug or handle) b :  either of a pair of tufts of lengthened feathers on the head of some birds

  5. 5 :  attention, awareness <lend an ear>

  6. 6 :  a space in the upper corner of the front page of a periodical (as a newspaper) usually containing advertising for the periodical itself or a weather forecast

  7. 7 :  a person who listens :  listener <looking for a friendly ear>

all ears

  1. :  eagerly listening <if anybody spoke of that grisly matter, I was all ears … and alert to hear what might be said — Mark Twain>

by ear

  1. :  without reference to or memorization of written music <plays by ear>

in one ear and out the other

  1. :  through one's mind without making an impression <everything you say to him goes in one ear and out the other>

on one's ear

  1. :  in or into a state of irritation, shock, or discord <set the racing world on its ear by breaking the record>

up to one's ears

  1. :  deeply involved :  heavily implicated <up to his ears in shady deals>



Illustration of ear

Origin and Etymology of ear

Middle English ere, from Old English ēare; akin to Old High German ōra ear, Latin auris, Greek ous


First Known Use: before 12th century


2

ear

noun

Definition of ear

  1. :  the fruiting spike of a cereal (as wheat or Indian corn) including both the seeds and protective structures



Origin and Etymology of ear

Middle English er, from Old English ēar; akin to Old High German ahir ear, Old English ecg edge — more at edge


First Known Use: before 12th century


3

ear

verb

Definition of ear

  1. intransitive verb
  2. :  to form ears in growing <the rye should be earing up>



14th Century

First Known Use of ear

14th century



EAR Defined for Kids

1

ear

play
noun \ˈir\

Definition of ear for Students

  1. 1 :  the organ of hearing and balance of vertebrates that in most mammals is made up of an outer part that collects sound, a middle part that carries sound, and an inner part that receives sound and sends nerve signals to the brain

  2. 2 :  the outer part of the ear <She pulled on his ear.>

  3. 3 :  the sense of hearing <a good ear for music>

  4. 4 :  willing or sympathetic attention <The coach had every player's ear.>

eared

\ˈird\ adjective <a long-eared dog>



2

ear

play
noun

Definition of ear for Students

  1. :  the seed-bearing head of a cereal grass <an ear of corn>




Medical Dictionary

ear

play
noun \ˈi(ə)r\

Medical Definition of ear

  1. 1:  the characteristic vertebrate organ of hearing and equilibrium consisting in the typical mammal of a sound-collecting outer ear separated by the tympanic membrane from a sound-transmitting middle ear that in turn is separated from a sensory inner ear by membranous fenestrae

  2. 2a:  the external ear of humans and most mammalsb:  a human earlobe <had her ears pierced>

  3. 3a:  the sense or act of hearingb:  acuity of hearing



Illustration of ear



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