Meaning of the word casher in English

What does casher mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

casher

US /ˈkæʃər/
UK /ˈkæʃər/

Adjective

1.

(of food or premises) conforming to the requirements of Jewish dietary law

Example:
The restaurant serves only kosher food.
We need to find a kosher butcher.
2.

(informal) legitimate, acceptable, or aboveboard

Example:
I'm not sure if that deal is entirely kosher.
His explanation didn't sound quite kosher to me.