double-book [duhb-uh l-boo k] Word Origin verb (used with object)
- to overbook by accepting more than one reservation for the same hotel room, airplane seat, etc.
- to make reservations for (more than one hotel accommodation, seat on a plane, etc.) so as to be certain of obtaining at least one of them.
verb (used without object)
- to make double reservations for passenger space, a hotel room, etc.
Origin of double-book First recorded in 1965–70