Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

oro-

combining form

Definition of oro-

  1. :  mountain <orography>



Origin and Etymology of oro-

Greek oros — more at orient


2

oro-

combining form

Definition of oro-

  1. :  mouth <oropharynx>



Origin and Etymology of oro-

Latin or-, os — more at oral


Medical Dictionary

oro-

combining form

Medical Definition of oro-

  1. 1:  mouth <oropharynx>

  2. 2:  oral and <orofacial> <oronasal>




Learn More about oro-

  1. Medical Dictionary: Definition of oro-


Seen and Heard

What made you want to look up oro-? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

megillah torrent interruption rebellion
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ