Dictionary.com

dorsum

[ dawr-suhm ]
/ ˈdɔr səm /
Save This Word!

noun, plural dor·sa [dawr-suh]. /ˈdɔr sə/. Anatomy, Zoology.
the back, as of the body.
the back or outer surface of an organ, part, etc.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?

Origin of dorsum

Borrowed into English from Latin around 1775–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use dorsum in a sentence

British Dictionary definitions for dorsum

dorsum
/ (ˈdɔːsəm) /

noun plural -sa (-sə) anatomy
a technical name for the back 1
any analogous surfacethe dorsum of the hand

Word Origin for dorsum

C18: from Latin, literally: back
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 dorsum

dorsum
[ dôrsəm ]

n. pl. dor•sa (-sə)
The back.
The upper, outer surface of an organ, appendage, or part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK