a wafer: a very thin, flat cake of bread baked without yeast, oiled on its surface rather than in the dough, and made for Israel's offerings
The word comes from a root that means "thin," and thinness is the whole point. This is dough rolled or pressed out flat and baked hard, closer to a cracker than to a loaf. It never turns up at an ordinary supper table. Every one of its eight appearances is an item on a list of baked goods brought to the altar.
The offering lists almost always name it next to a thicker companion cake, and the pairing is worth noticing, because the two are treated differently at exactly one point:
- the thicker, fuller cake (חַלָּה) has oil worked into the dough before baking
- the thin wafer has oil smeared across its surface instead
- both are made from the same fine flour, and both are made without yeast (מַצָּה)
Something this thin cannot absorb oil the way a fuller cake can, so it gets brushed rather than kneaded. The recipe is describing real kitchen practice, not a symbol.
The settings are the high moments of Israel's worship: the ordination of Aaron and his sons, the grain offering, the thank offering, and the close of a Nazirite's vow. In the ceremonies themselves a single wafer is lifted out of the basket and put into the hands of the person being set apart, so one small flat cake carries a large moment. Centuries later, Chronicles files these same wafers among the standing kitchen duties of the Levites, alongside the flour and the griddle work, which is a fair reminder that most of Israel's worship ran on ordinary bread made carefully.