(idiomatic) To accompany, join, or follow; to go with.

One of the plastic cards used in the kanban manufacturing system.

(in combination) A retail sale in which items included in the sale are tagged with a coloured tag. / (US, chiefly northeastern, dialect) A domestic sale of second-hand items; a garage sale or yard sale.

plural of tag sale

Performed by two or more people or groups working alternately.

(professional wrestling) To wrestle as part of a tag team. / To alternate working with someone else in order to accomplish a task.

(professional wrestling) A group of wrestlers who work together as a team. Only one is in the ring at any given time, and they change places by "tagging" each other with a gesture like a high five.

Alternative form of tag-team

(grammar) A question inviting the listener to indicate agreement, formed by adding a “tag” word or expression to a statement. For example “You love me, don’t you?”.

A small metal disk, attached to a dog's collar, containing identification information. / (by extension, informal) The identification tag worn around the neck by military personnel.