mat ‧ zo BrE AmE , matzoh /ˈmɒtsə $ ˈmɑː-/ noun ( plural matzos ) [uncountable and countable]
[ Date: 1800-1900 ; Language: Yiddish ; Origin: matse , from Hebrew massah ]
1 . a large thin piece of flat bread, eaten by Jewish people during ↑ Passover
2 . a type of flour used to make bread, cakes etc especially by Jewish people during ↑ Passover :
herrings dipped in matzo and fried