[bur.sa] n, pl bur.sas or bur.sae [NL, fr. ML, bag, purse--more at purse] (1803): a bodily pouch or sac: as a: a small serous sac between a tendon and a bone b: bursa of fabricius -- bur.sal adj
BURSA
Meaning of BURSA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012