מַצָּה
matstsâh · mats-tsaw'Hebrew · H4682
Derivation
from H4711 (מָצַץ) in the sense of greedily devouring for sweetness;
Meaning
properly, sweetness; concretely, sweet (i.e. not soured or bittered with yeast); specifically, an unfermented cake or loaf, or (elliptically) the festival of Passover (because no leaven was then used)
In the King James Version
unleaved (bread, cake), without leaven.
Translated as
bread (30), unleavened (14), cakes (5), leaven (1)
Where it appears
Found in 40 verses