Noun
unleavened bread (countable and uncountable, plural unleavened breads)
Bread made without a raising agent.
Additionally, there is a tradition of not eating matzoh (flat unleavened bread) in the 30 days before Passover begins so that there will be an increased appetite for it during Passover itself. Source: Internet
And on the fifteenth day of the same month is the feast of unleavened bread unto the LORD; seven days ye shall eat unleavened bread. Source: Internet
In commemoration, for the duration of Passover no leavened bread is eaten, for which reason Passover was called the feast of unleavened bread in the Torah or Old Testament. Source: Internet
Matzah pizza is a type of pizza made by covering a piece of matzo with sauce and melted cheese. citation In Christianity Communion wafers used by the Catholic Church as well as in some Protestant traditions for the Eucharist are flat, unleavened bread. Source: Internet
Of those who attend the Memorial a small minority worldwide partake of the wine and unleavened bread. Source: Internet
See, e.g., citation The unleavened bread also underscores the symbolic belief attributed to Christ's breaking the bread and saying that it was his body. Source: Internet