noun, plural bur·sae , [ bur-see] /ˈbɜr si/ bur·sas. . Anatomy, Zoology a pouch, sac, or vesicle, especially a sac containing synovia, to facilitate motion, as between a tendon and a bone. RELATED WORDS pocketbook
reticule Origin of bursa 1795–1805; < New Latin, Late Latin bursa a bag, pouch, purse < Greek býrsa a skin, hide Related forms bur·sal, adjective bur·sate , [ bur-seyt] /ˈbɜr seɪt/ adjective post·bur·sal, adjective noun a city in NW Turkey in Asia: a former capital of the Ottoman Empire.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for bursa Bursa: a pouch or sac: a wing pouch in male caddice flies and in connection with a stalked hair pencil.
bursa between the ligamentum patellæ and the tibia is rarely the seat of disease.
A cartilaginous exostosis in the vicinity of a joint may be invested with a synovial sac or
bursa—the so-called exostosis bursata.
The navicular bone and
bursa and the tendon of the perforans also suffer from the effects of compression. British Dictionary definitions for bursa noun plural -sae ( -siː) or -sas a small fluid-filled sac that reduces friction between movable parts of the body, esp at joints zoology any saclike cavity or structure Derived Forms bursal, adjective Word Origin for bursa
C19: from Medieval Latin: bag, pouch, from Greek: skin, hide; see
purse noun a city in NW Turkey: founded in the 2nd century bc; seat of Bithynian kings. Pop: 1 413 000 (2005 est) Former name: Brusa
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for bursa n.
by 1788 as an English word in physiology, shortened from medieval Latin
bursa mucosa "mucus pouch," from Medieval Latin bursa "bag, purse," from Late Latin bursa, variant of byrsa "hide," from Greek byrsa "hide, skin, wineskin, drum," of unknown origin; cf. purse (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for bursa n. pl. bur•sas 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. Related forms bur ′sal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for bursa Plural bursae ( bûr) ′sē bursas A flattened sac containing a lubricating fluid that reduces friction between two moving structures in the body, as a tendon and a bone.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Culture definitions for bursa
A fluid-filled sac or cavity that reduces friction between the bones,
ligaments, and tendons in the body's joints.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.