an offshore drill rig or platform having a floating hull fitted with retractable legs that can be lowered to the seabed to elevate the hull above wave level. Cf. semisubmersible .
[ 1965-70 ]
JACK-UP RIG
Meaning of JACK-UP RIG in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012