(video games) A video game based around collecting items.

plural of collect-'em-up

(military) Any call sign which represents two or more facilities, commands, authorities, or units. The collective call sign for any of these includes the commander thereof and all subordinate commanders therein.

(Britain, finance) A way of investing money with other people to participate in a wider range of investments than may be feasible for an individual investor, and to share the costs of doing so.

plural of collective call sign

(idiomatic) To become mentally composed, especially after being distressed, surprised, or disoriented; to become calm or organized in one's emotional state or thinking, as in preparation for a conversation, speech, decision, etc.

Alternative form of collect one's thoughts

plural of collective investment scheme

(idiomatic) To request and receive money or goods of value from members of a group, especially for a charitable purpose.

(informal, entomology) Formica archboldi, a kind of ant that hunts trap jaw ants and takes their decapitated heads back to its nest.