1. (n.) An specific and narrowly defined line of work\.

2. (n.) A particular or peculiar case.

3. (n.) A contract or obligation under seal; a contract by deed; a writing, under seal, given as security for a debt particularly specified.

4. (n.) That for which a person is distinguished, in which he is specially versed, or which he makes an object of special attention; a specialty.

academic discipline academic specialty adjunct applied science appurtenance area arena aroma arrangement art aspect attribute badge bond brand business cachet calling career career building careerism cast character characteristic circumstance classical education component concern configuration constituent contents contract by deed contract of record contract quasi core curriculum course course of study covenant of indemnity craft curriculum cut debenture debenture bond deed deed of trust deed poll definiteness department of knowledge detail differentia differential discipline distinctive feature domain earmark elective element factor feature field field of inquiry field of study figure fixings flavor formal contract game general education general studies group policy gust hallmark handicraft humanities idiocrasy idiosyncrasy implied contract impress impression indent indenture index individualism ingredient insurance policy integrant item keynote liberal arts lifework line line of business line of work lineaments major makings mannerism mark marking metier minor mission mold mortgage deed mystery natural science nature number occupation odor ology parol contract part part and parcel particularity peculiarity policy practice profession promissory note property proseminar province pure science pursuit quadrivium quality quirk racket recognizance refresher course savor science scientific education seal seminar shape singularity smack social science special case special contract speciality specialization specialness specialty contract specificality specificness sphere stamp study subdiscipline subject taint tang taste technical education technicology technics technology title deed token trade trait trick trivium vocation walk walk of life work