ˌstock-in-ˈtrade noun [uncountable]1. something that is typical of a particular person or thing, especially what they say or do:
Stewart’s stock-in-trade was the face-to-face interview.2. literary the things you need to do your job:
Vanessa’s looks have been her stock-in-trade as an actress. [TahlilGaran] Dictionary of Contemporary English ▲
stock in trade n. phr. The materials which one customarily deals, sells, or offers.
Imported silk blouses from the Orient are the stock-in-trade of their small shop. Anecdotes are often an after-dinner speaker's stock-in-trade. [TahlilGaran] English Idioms Dictionary ▲