Dictionary definition for: Dorsal
1. (a) belonging to or on or near the back or upper surface of an animal or organ or part; "the dorsal fin is the vertical fin on the back of a fish and certain marine mammals"
2. (a) facing away from the axis of an organ or organism; "the abaxial surface of a leaf is the underside or side facing away from the stem"
WordNet 2.1 Copyright Princeton University. All rights reserved.
