celatone

Noun

  • A device invented by Galileo Galilei to observe Jupiter's moons with the purpose of finding longitude on Earth. It took the form of a piece of headgear with a telescope taking the place of an eyehole.

Modern English dictionary

Explore and search massive catalog of over 900,000 word meanings.

Word of the Day

Get a curated memorable word every day.

Challenge yourself

Level up your vocabulary by setting personal goals.

And much more

Try out Vedaist now.