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Line breaks: dor¦sum
Pronunciation: /ˈdɔːsəm

Definition of dorsum in English:

noun (plural dorsa)

Anatomy & Zoology
The dorsal part of an organism or structure.
Example sentences
  • Toothbrushing lasted for approximately five minutes after each meal and included brushing the teeth, the dorsum of the tongue, and the palatal and mandibular mucosa.
  • It is the only muscle on the dorsum of the foot.
  • The anterior tibial may become plexiform on the dorsum of the foot, giving rise to the dorsal intermetatarsals.


late 18th century (denoting a long hill or ridge): from Latin, 'back'.

Definition of dorsum in:

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