What does "kasher" mean?

To render kosher.; to remove excess blood from by washing and salting

What is a synonym for "kasher"?

Common synonyms include: kosher, kosher, kosherize.

//ˈkɑʃɚ// verb

verb ·Rare ·Advanced level

Verb

1
To render kosher.; to remove excess blood from by washing and salting Judaism, transitive
"“Kosher salt” is called thus, not because it is any more kosher than other types of salt, but because it is used in the kashering process of meat."
2
To render kosher.; to remove traces of non-kosher substances from by cleaning, heating, etc. Judaism, transitive
"David moved into his new apartment, put up mezuzahs, and kashered his new kitchen."

"“Kosher salt” is called thus, not because it is any more kosher than other types of salt, but because it is used in the kashering process of meat."

Borrowed from Yiddish כּשרן (kashern), from כּשר (kosher, “kosher”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.