01 a. Pertaining to, or situated near, the back, or dorsum, of an animal or of one of its parts; notal; tergal; neural; as, the dorsal fin of a f…
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1.
Pertaining to, or situated near, the back, or dorsum, of an animal or of one of its parts; notal; tergal; neural; as, the dorsal fin of a fish; the dorsal artery of the tongue; -- opposed to ventral.(Anat.)
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2.
Pertaining to the surface naturally inferior, as of a leaf.(Bot.)
Phrases & compounds
Dorsal vessel —
a central pulsating blood vessel along the back of insects, acting as a heart.