1. drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially; [syn: drilling platform, offshore rig]
WordNet (r) 3.0 (2006):
offshore rig
n 1: drilling rig consisting of an offshore platform (floating
or fixed to the sea bed) from which many oil wells can be
bored radially [syn: drilling platform, offshore rig]