(grammar) A numeral that signifies that several persons or things are taken definitely and unitedly together, in the sense of—both, all three, all four, etc.

(botany) Any fruit formed from a mass of flowers, such as the mulberry or pineapple.

plural of collective fruit

A form of punishment whereby a suspected perpetrator's peers are targeted.

plural of collective memory

(sociology) A shared pool of information held in the memories of multiple members of a group.

(probability) Of a set of events: having the property that at least one must occur.

plural of collective punishment

plural of collective agreement

(diplomacy) A formal piece of diplomatic correspondence signed by the representatives of several governments addressed to one or more other governments.