BUNION
bunion
(noun) a painful swelling of the bursa of the first joint of the big toe
Source: WordNet® 3.1
Etymology
Noun
bunion (plural bunions)
(pathology) A bump or bulge on the first joint of the big toe caused by the swelling of a sac of fluid under the skin.
(colloquial, by extension) Hallux valgus, deviation of the big toe from its normal position towards the other toes, the prime cause for the swelling of its first joint.
Source: Wiktionary
Bun"ion, n. (Med.)
Definition: Same as Bunyon.
Bun"yon, Bun"ion, n. Etym: [Cf. Prov. E. bunny a small swelling, fr.
OF. bugne, It. bugna, bugnone. See Bun.] (Med.)
Definition: An enlargement and inflammation of a small membranous sac (one
of the bursæ muscosæ), usually occurring on the first joint of the
great toe.
Source: Webster’s Unabridged Dictionary 1913 Edition