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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

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.

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

The dorsum bears a dark chocolate brown hour glass-shaped mark, which in some individuals is broken into a large mark posteriorly and a smaller triangular one on the head and nape.

From A Distributional Study of the Amphibians of the Isthmus of Tehuantepec, Mexico by Duellman, William E.

The streaked brown dorsum, combined with the lizards' habit of pressing the body against the trunks of trees, make this anole especially difficult to see.

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

In this position the outer margin of the wing is the costa, the inner the dorsum, and the hind-margin the termen.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various

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