SINCE 1828
dictionary
thesaurus

Caelum

noun
Save Word
Cae·​lum | \ ˈsē-ləm How to pronounce Caelum (audio) \

Definition of Caelum

astronomy
: a faint southern constellation that is visible between the constellations of Columba and Eridanus and that is represented by the figure of an engraving tool

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More About Caelum

Dictionary Entries Near Caelum

Caelian

Caelum

Caen

See More Nearby Entries 

Statistics for Caelum

Cite this Entry

“Caelum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Caelum. Accessed 5 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

cantankerous

Listen to the pronunciation of cantankerous

See Definitions and Examples »

Test Your Vocabulary

Name That Food

  • a-light
  • Name these cookies!
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!

Words at Play
Ask the Editors
Word Games