up one ears

Science Dictionary
ear 1   (îr)  Pronunciation Key 


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  1. The vertebrate organ of hearing, which in mammals is usually composed of three parts: the outer ear, middle ear, and inner ear. The organs of balance are also located in the ear.

  2. An invertebrate organ analogous to the vertebrate ear.


American Heritage
Science Dictionary
ear 2   (îr)  Pronunciation Key 
The seed-bearing spike of a cereal plant, such as corn or wheat.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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