specialty

Short definition from Wiktionary

Noun

1. 1
   That in which one specializes; a chosen expertise or talent; bailiwick.
2. 2
   A product that originates in and is characteristic of a place.
3. 3
   Particularity.
4. 4
   A particular or peculiar case.
5. 5
   An attribute or quality peculiar to a species.
6. 6
   A contract or obligation under seal; a contract by deed; a writing, under seal, given as security for a debt particularly specified.