jack-up

noun
\ ˈjak-ˌəp How to pronounce jack-up (audio) \

Definition of jack-up

: a drilling rig used in offshore drilling whose drilling platform is a barge from which legs are lowered to the bottom when over the drill site and which is raised above the water and supported on the legs to conduct drilling operations

First Known Use of jack-up

1961, in the meaning defined above

Keep scrolling for more

Learn More about jack-up

Statistics for jack-up

Look-up Popularity

Time Traveler for jack-up

The first known use of jack-up was in 1961

See more words from the same year

More from Merriam-Webster on jack-up

Rhyming Dictionary: Words that rhyme with jack-up

Comments on jack-up

What made you want to look up jack-up? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to affect and impair by alcohol or a drug

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!