daisy chain

a string of daisies linked together to form a chain.

such a chain used as a garland or carried on festive days by a group of women college students.

a series of interconnected or related things or events:

Slang. a group sexual activity in which the participants serve as active and passive partners to different people simultaneously.

Commerce. a series of transactions designed to create the appearance of active trading, as in a particular stock, in order to manipulate the price.