Meaning of “stock” - Learner’s Dictionary

stock

noun uk us /stɒk/
SHOP [ U ]

B2 all the goods that are available in a shop:

We're expecting some new stock in this afternoon.
be in stock/out of stock

B2 to be available/not available in a shop

SUPPLY [ C ]

a supply of something that is ready to be used:

COMPANY [ C, U ]

the value of a company, or a share in its value:

to buy/sell stock
LIQUID [ U ]

a liquid made by boiling meat, bones, or vegetables and used to make soups, sauces, etc:

take stock (of sth)

to think carefully about a situation before making a decision

→ See also laughing stock

(Definition of “stock noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)