dorsal

1
[ dawr-suh l ]
/ ˈdɔr səl /

adjective

of, relating to, or situated at the back, or dorsum.
Anatomy, Zoology.
  1. situated on or toward the upper side of the body, equivalent to the back, or posterior, in humans.
  2. situated on or toward the posterior plane in humans or toward the upper plane in quadrupeds.
Compare ventral(def 2).
Botany. pertaining to the surface away from the axis, as of a leaf; abaxial.
Phonetics. (of a speech sound) articulated with the dorsum of the tongue.

noun

Phonetics. a dorsal speech sound.
Anatomy. a dorsal structure.

Origin of dorsal

1
1535–45; < Medieval Latin dorsālis, equivalent to Latin dors(um) back + -ālis -al1

Related forms

dor·sal·ly, adverb

Definition for dorsal (2 of 2)

dorsal

2
[ dawr-suh l ]
/ ˈdɔr səl /

noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dorsal

British Dictionary definitions for dorsal

dorsal

/ (ˈdɔːsəl) /

adjective

anatomy zoology relating to the back or spinal part of the bodyCompare ventral (def. 1)
botany of, relating to, or situated on the side of an organ that is directed away from the axis
articulated with the back of the tongue, as the (k) sound in English coot

Derived Forms

dorsally, adverb

Word Origin for dorsal

C15: from Medieval Latin dorsālis, from Latin dorsum 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

Medicine definitions for dorsal

dorsal

[ dôrsəl ]

adj.

Of, toward, on, in, or near the back or upper surface of an organ, a part, or an organism.
Lying on the back; supine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for dorsal

dorsal

[ dôrsəl ]

Relating to or on the back or upper surface of an animal.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.