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/i(ə)r/ Noun, pl. ears 1. The organ that detects sound. It not only receives sound, but also aids in balance and body position. The ear is part of the auditory system. ( 2. 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. ( 3.    a : The external ear of humans and most mammals (; the externally visible cartilaginous structure of the external ear ( Syn: auricle, pinna b : A human earlobe . ( 4.    a : The sense or act of hearing. ( b : Acuity of hearing. ( c. An ability to recognize, appreciate, and reproduce sounds, esp. music or language. (Google Dictionary) 5. Fruiting spike of a cereal plant especially corn. ( Word origin: Old English eare...

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