alidade

noun
al·​i·​dade | \ˈa-lə-ˌdād \

Definition of alidade 

: a rule equipped with simple or telescopic sights and used for determination of direction: such as

a : a part of an astrolabe

b : a part of a surveying instrument consisting of the telescope and its attachments

First Known Use of alidade

15th century, in the meaning defined above

History and Etymology for alidade

Middle English allidatha, from Medieval Latin alhidada, from Arabic al-ʽiḍāda the revolving radius of a circle

Keep scrolling for more

Learn More about alidade

Dictionary Entries near alidade

alicorn

alicyclic

Alid

alidade

alien

alienable

alienage

Statistics for alidade

Look-up Popularity

Time Traveler for alidade

The first known use of alidade was in the 15th century

See more words from the same century

More from Merriam-Webster on alidade

Britannica.com: Encyclopedia article about alidade

Comments on alidade

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

WORD OF THE DAY

a private place of worship

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

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

TAKE THE QUIZ
Word Winder's CrossWinder

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!