Dorsal meaning

dôr'səl
The definition of dorsal is something related to the back or the upper side of a plant or animal.

The fin on a shark's back is an example of something that would be described as dorsal.

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Of, toward, on, in, or near the back or upper surface of an organ, part, or organism.
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Of or on the surface of an organ or part facing away from the axis; abaxial.
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Of, on, or near the back.
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Relating to, toward, on, in, or near the back or upper surface of an organ, part, or organism.
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Relating to or on the surface of an organ or part facing away from the axis; abaxial.
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A dorsal part, such as a fin.
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Relating to or on the back or upper surface of an animal.
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(anatomy) With respect to, or concerning the side in which the backbone is located, or the analogous side of an invertebrate.
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(of a knife) Having only one sharp side.
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(anatomy) Relating to the top surface of the foot or hand.
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(linguistics, of a sound) Produced using the dorsum of the tongue.
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(botany) Relating to the surface naturally inferior, as of a leaf.
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(botany) Relating to the surface naturally superior, as of a creeping hepatic moss.
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(art) A hanging, usually of rich stuff, at the back of a throne, altar, etc.
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In snakes, any of the longitudinal series of plates that encircle the body, excluding the ventral scales.
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Origin of dorsal

  • Middle English from Medieval Latin dorsālis from Latin dorsuālis from dorsum back
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Middle French dorsal, from Latin dorsālis (“of or relating to the back”).
    From Wiktionary