cross-staff

noun
\ ˈkrȯs-ˌstaf \

Definition of cross-staff 

: an instrument formerly used at sea for taking the altitude of a celestial body

First Known Use of cross-staff

1582, in the meaning defined above

Keep scrolling for more

Learn More about cross-staff

Share cross-staff

Statistics for cross-staff

Look-up Popularity

Time Traveler for cross-staff

The first known use of cross-staff was in 1582

See more words from the same year

More from Merriam-Webster on cross-staff

Britannica.com: Encyclopedia article about cross-staff

Comments on cross-staff

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

WORD OF THE DAY

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

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

TAKE THE QUIZ
SCRABBLE® Sprint

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!