Caisson or Casion

Learn the correct spelling “caisson” and why “casion” is wrong.

casion

Incorrect spelling - Casion is a spelling error.

"casion" is a common misspelling of "caisson". Always use "caisson" when referring to the correct word.

caisson

Correct spelling - The proper way to spell this word.

Caisson means a watertight chamber used in construction or a military ammunition wagon.

Definition of caisson

"caisson": Caisson means a watertight chamber used in construction or a military ammunition wagon.

This word is commonly used in everyday conversation and writing.

Synonyms for caisson

  • chamber
  • container

Usage Examples

"Correct:" Workers entered the caisson.

"Correct:" The bridge used large caissons.

"Correct:" The army moved the caisson unit.

"Incorrect:" Workers entered the casion.

"Incorrect:" The casion was used.

Notes:

  • Double 's' and ends with 'on'.

Frequently Asked Questions

Q: Correct spelling?

A: Caisson.

Q: Meaning?

A: A watertight chamber OR ammo wagon.

Q: Is 'casion' correct?

A: No.

Q: Example?

A: The workers entered the caisson.

Q: Field?

A: Engineering & military.

Summary

“Caisson” is correct; ‘casion’ is just a phonetic misspelling.