from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A sac or saclike bodily cavity, especially one containing a viscous lubricating fluid and located between a tendon and a bone or at points of friction between moving structures.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the many small fluid-filled sacs located at the point where a muscle or tendon slides across bone. These sacs serve to reduce friction between the two moving surfaces.
from the GNU version of the Collaborative International Dictionary of English
- n. Any sac or saclike cavity; especially, one of the synovial sacs, or small spaces, often lined with synovial membrane, interposed between tendons and bony prominences.
from The Century Dictionary and Cyclopedia
- n. In anatomy and zoology, a pouch, sac, or vesicle: variously applied with a qualifying term.
- n. [capitalized] A genus of dicotyledonous plants of the family Brassicaceæ. See Capsella and shepherd's-purse.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a small fluid-filled sac located between movable parts of the body especially at joints
- n. a city in northwestern Turkey
Late Latin, purse, pouch, from Greek, skin, wineskin.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the Medieval Latin bursa ("purse"); compare purse. (Wiktionary)