from The American Heritage® Dictionary of the English Language, 4th Edition

  • adv. In the direction of the back; dorsally.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adv. Toward the dorsal side.

from the GNU version of the Collaborative International Dictionary of English

  • adv. Toward the dorsum or back; on the dorsal side; dorsally.

from The Century Dictionary and Cyclopedia

  • In anatomy, toward the dorsum or back; backward, with reference to the animal itself, without regard to its posture: as, the spinal cord lies dorsad of the bodies of the vertebr├Ž; the aorta arches dorsad as well as sinistrad: opposed to ventrad, and in Vertebrata equivalent to neurad.


Latin dorsum back + ad to. (Wiktionary)



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