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Oto

or O·toe

[ oh-toh ]
/ ˈoʊ toʊ /
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noun, plural O·tos, (especially collectively) O·to.
a member of a Siouan-speaking tribe of North American Indians who formerly inhabited the lower Missouri River basin and now live in Oklahoma.
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Other definitions for Oto (2 of 2)

oto-

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 oûsear1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Oto in a sentence

British Dictionary definitions for Oto

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
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