What does "blech" mean?

A metal sheet used to cover stovetop burners on Shabbat to allow food to be kept warm without violating the prohibition against cooking.

Blech

/blɛk/ intj, noun, verb, slang

intj, noun, verb, slang ·Moderate ·College level

Noun

1
A metal sheet used to cover stovetop burners on Shabbat to allow food to be kept warm without violating the prohibition against cooking. Judaism

Verb

Intj

1
An imitation of the sound of gagging, used to express disgust or disdain. slang
"Blech! Look at all those maggots!"

"Blech! Look at all those maggots!"

Etymology 1

Imitative.

Etymology 2

From Yiddish בלעך (blekh). Related to German Blech.