Dictionary.com

Oto

or O·toe

[ oh-toh ]
/ ˈoʊ toʊ /
Save This Word!

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.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

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. 2021

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

Medical definitions for Oto

oto-

pref.
Ear:otology.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK