1 stock /ˈstɑːk/ noun
plural stocks
1 stock
plural stocks
Learner's definition of STOCK
: the supply of goods available for sale in a store
: a supply of something that is available for use
: a share of the value of a company which can be bought, sold, or traded as an investment
often used before another noun
[count] : the part of a gun that is held against your shoulder see picture at gun
[noncount] : the country or group of people that a person comes from
[noncount] : farm animals (such as cattle) from which meat, wool and other products are obtained : livestock
[noncount] : liquid in which meat, fish, or vegetables have been cooked and then removed and which is used to make soups, sauces, etc.
[noncount] US : confidence or faith in someone or something
[noncount] used to describe how popular or unpopular someone or something is at a particular time
stocks [plural] : a wooden frame with holes in it for a person's feet, hands, or head that was used in the past as a form of punishment

lock, stock, and barrel

see 1lock

take stock

: to carefully think about something in order to make a decision about what to do next often + of
2 stock /ˈstɑːk/ verb
stocks; stocked; stocking
2 stock
stocks; stocked; stocking
Learner's definition of STOCK
[+ object]
: to have a supply of (something) in a store for sale
: to fill (something, such as a room or a building) with a supply of food, drinks, etc.

stock up

[phrasal verb]
: to get a large quantity of something so that you will have it for later use often + on
3 stock /ˈstɑːk/ adjective
3 stock
Learner's definition of STOCK
always used before a noun
: regularly used or included with something : standard
: commonly used and not original or interesting
: usually available for sale in a store