jack-upEnglishOxford New American Dictionaryjack-up /ˈjakˌəp, ˈdʒækˌəp / (also jack-up rig) ▸ noun an offshore drilling rig the legs of which are lowered to the seabed from the operating platform.
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary