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dorsum

American  
[dawr-suhm] / ˈdɔr səm /

noun

Anatomy, Zoology.
dorsa plural
  1. the back, as of the body.

  2. the back or outer surface of an organ, part, etc.


dorsum British  
/ ˈdɔːsəm /

noun

  1. a technical name for the back 1

  2. any analogous surface

    the dorsum of the hand

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of dorsum

Borrowed into English from Latin around 1775–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Septal cartilage is flexible hyaline cartilage connected to the nasal bone, forming the dorsum nasi.

From Textbooks Jun. 19, 2013

The dorsum nasi is the length of the nose.

From Textbooks Jun. 19, 2013

All of these are old adults having the terminal black parts of the hairs on the dorsum nearly worn away.

From Speciation and Evolution of the Pygmy Mice, Genus Baiomys by Packard, Robert L.

KU 58158 has 179 ventrals, 122 caudals, and a total length of 723 mm.; the dorsum is rich chocolate brown with eight dark cross-bars on the neck; the belly is bright orange.

From Amphibians and Reptiles of the Rainforests of Southern El Peten, Guatemala by Duellman, William E.

Pelage of dorsum brownish; molt line across shoulders progressing posteriorly; browner anterior to line, grayer posterior to it.

From Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado by Douglas, Charles L.

Axons and cell bodies in the dorsa spinal cord convey mostly sensory information from the body to the brain.

From Textbooks Apr. 25, 2013

Looking eastward the land smoothens, the dorsa fall more gently towards the counter-slope, and there are none of the "Morros" which we have traversed.

From Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2 by Burton, Richard Francis, Sir

Under this Rule, some nouns suffer a syncope; as, dorus m. a door, n. p. dorsa for dorusa.

From Elements of Gaelic Grammar by Stewart, Alexander

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