Wafer

Boyd’s Bible Dictionary:

(waffle). Among Hebrews a thin cake of fine flour used in offerings. The flour was wheaten and the wafers were unleavened and anointed with oil (Ex. 16:31; 29:2,23³¹And the house of Israel called the name thereof Manna: and it was like coriander seed, white; and the taste of it was like wafers made with honey. (Exodus 16:31)
²And unleavened bread, and cakes unleavened tempered with oil, and wafers unleavened anointed with oil: of wheaten flour shalt thou make them. (Exodus 29:2)
²³And one loaf of bread, and one cake of oiled bread, and one wafer out of the basket of the unleavened bread that is before the Lord: (Exodus 29:23); Lev. 2:4; 7:12; 8:26⁴And if thou bring an oblation of a meat offering baken in the oven, it shall be unleavened cakes of fine flour mingled with oil, or unleavened wafers anointed with oil. (Leviticus 2:4)
¹²If he offer it for a thanksgiving, then he shall offer with the sacrifice of thanksgiving unleavened cakes mingled with oil, and unleavened wafers anointed with oil, and cakes mingled with oil, of fine flour, fried. (Leviticus 7:12)
²⁶And out of the basket of unleavened bread, that was before the Lord, he took one unleavened cake, and a cake of oiled bread, and one wafer, and put them on the fat, and upon the right shoulder: (Leviticus 8:26); Num. 6:15,19¹⁵And a basket of unleavened bread, cakes of fine flour mingled with oil, and wafers of unleavened bread anointed with oil, and their meat offering, and their drink offerings. (Numbers 6:15)
¹⁹And the priest shall take the sodden shoulder of the ram, and one unleavened cake out of the basket, and one unleavened wafer, and shall put them upon the hands of the Nazarite, after the hair of his separation is shaven: (Numbers 6:19)).