a combining form meaning “ear,” used in the formation of compound words: otology.
Also especially before a vowel, ot-.

Origin of oto-

< Greek ōto-, combining form of oûs ear1
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British Dictionary definitions for oto-


before a vowel ot-

combining form

indicating the earotitis; otolith

Word Origin for oto-

from Greek ous, ōt- ear
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

Medicine definitions for oto-



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