jack-up

jack-up (also jack-up rig ) ▶noun an offshore drilling rig the legs of which are lowered to the seabed from the operating platform.

jack-up

jack-up ▶noun 1 (also jack-up rig ) an offshore drilling rig the legs of which are lowered to the seabed from the operating platform. 2 NZ informal a dishonest or underhand way of achieving something.