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

ramus

play
noun ra·mus \ˈrā-məs\

Definition of ramus

plural ra·mi play \-ˌmī\

  1. :  a projecting part, elongated process, or branch: as a :  the posterior more or less vertical part on each side of the lower jaw that articulates with the skull b :  a branch of a nerve



Origin of ramus

New Latin, from Latin, branch — more at ramify


First Known Use: 1733

Rhymes with ramus


Medical Dictionary

ramus

play
noun ra·mus \ˈrā-məs\

Medical Definition of ramus

plural ra·mi \-ˌmī\play

  1. :  a projecting part, elongated process, or branch: asa:  the posterior more or less vertical part of the lower jaw on each side which articulates with the skullb:  the upper more cranial branch of the pubis that extends from the pubic symphysis to the body of the pubis at the acetabulum and forms the cranial part of the obturator foramen—called also superior ramus:  the thin flat lower branch of the pubis that extends from the pubic symphysis to unite with the ramus of the ischium in forming the inferior rim of the obturator foramen—called also inferior ramusc:  a branch of the ischium that extends down and forward from the ischial tuberosity to unite with the inferior ramus of the pubis in forming the inferior rim of the obturator foramen—called also inferior ramusd:  a branch of a nerve—see ramus communicans




Learn More about ramus

  1. Medical Dictionary: Definition of "ramus" Britannica.com: Encyclopedia article about "ramus"


Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez kittly-benders duvet spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ