What does "challah" mean?

A traditional bread eaten by Ashkenazi Jews, usually braided for the Sabbath and round for a yom tov.

What is a synonym for "challah"?

Common synonyms include: hallah.

/ˈxɑ(ː).lə/ noun

noun ·Rare ·Advanced level

Noun

1
A traditional bread eaten by Ashkenazi Jews, usually braided for the Sabbath and round for a yom tov. countable
"[…]it is a time-honored custom that when women bake challah-loaves for Sabbath and Yom Tov use, they specifically prepare a dough large enough to be obligated in challah, so they can fulfill the mitzvah of separating challah[…]."
2
(Judaism) a loaf of white bread containing eggs and leavened with yeast; often formed into braided loaves and glazed with eggs before baking wordnet
3
The commandment to separate a portion of bread or bread dough for the cohanim (Numbers 15:17–21); in contemporary practice, the portion is burned until inedible. uncountable
4
The portion separated in fulfillment of the above. countable

"The challah was so delicious that I just had to ask her for the recipe."

From Hebrew חַלָּה (ḥallá, “loaf”), influenced by Yiddish חלה (khale).