'Feast' in the Bible

In the first month, on the fourteenth day of the month, ye shall have the passover, a feast of seven days: unleavened bread shall be eaten.

And the seven days of the feast he shall offer a burnt-offering to Jehovah, seven bullocks and seven rams without blemish daily for the seven days; and a he-goat daily for a sin-offering.

In the seventh month, on the fifteenth day of the month, at the feast, shall he do the like seven days, according to the sin-offering, according to the burnt-offering, and according to the oblation, and according to the oil.