specialty

1 a region of activity, knowledge, or influence a doctor with a specialty in internal medicine Synonyms area, arena, bailiwick, barony, business, circle, demesne, department, discipline, domain, element, fief, fiefdom, firmament, front, game, kingdom, line, precinct, province, realm, field, sphere, terrain, walkRelated Words frontier; study, subject; territory, turf; occupation, profession, pursuit, racket, vocation; ambit, amplitude, breadth, compass, confine, dimension(s), extent, ken, reach, scope, sweep, width; subfield, subspecialty

2 something for which a person shows a special talent singing operatic works is my specialty Synonyms long suit, métier (also metier), speciality, forte, strong suit, thingRelated Words area, arena, bailiwick, business, circle, demesne, department, discipline, domain, fief, fiefdom, field, line, precinct, province, realm, sphere, terrain; element; aptitude, aptness, bent, faculty, flair, genius, gift, knack, talent; pursuit, racket, vocation; inclination, leaning, partiality, penchant, predilection, predisposition, proclivity, propensity, tendency