from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Anatomy Of, toward, on, in, or near the back or upper surface of an organ, part, or organism.
- adj. Botany Of or on the outer surface, underside, or back of an organ.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. With respect to, or concerning the side in which the backbone is located, or the analogous side of an invertebrate.
- adj. Having only one sharp side.
- adj. The top surface of foot and/or hand.
- n. A hanging, usually of rich stuff, at the back of a throne, altar, etc.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or situated near, the back, or dorsum, of an animal or of one of its parts; notal; tergal; neural; ; -- opposed to
- adj. Pertaining to the surface naturally inferior, as of a leaf.
- adj. Pertaining to the surface naturally superior, as of a creeping hepatic moss.
- n. A hanging, usually of rich stuff, at the back of a throne, or of an altar, or in any similar position.
from The Century Dictionary and Cyclopedia
- In anatomy: Of or pertaining to the back: as, the dorsal fin of a fish; dorsal muscles, nerves, etc.
- Of or pertaining to the back of a part or organ: as, the dorsal aspect of the hand; the dorsal surface of the breast-bone; the dorsal artery of the penis.
- In entomology, pertaining to the upper surface of the thorax or abdomen.
- n. In ichthyology, a dorsal fin.
- n. In anatomy, a dorsal vertebra.
- n. Eccles. See the extract.
- In phonology, pronounced with the back or middle upper surface of the tongue raised to the palate.
- In botany, relating to the back of an organ. See back, 3 (A).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. belonging to or on or near the back or upper surface of an animal or organ or part
- adj. facing away from the axis of an organ or organism
Middle English, from Late Latin dorsālis, from Latin dorsuālis, from dorsum, back.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin dorsālis ("of or relating to the back"). (Wiktionary)