'Bull's' in the Bible

“You are to bring the bull to the front of the tent of meeting, and Aaron and his sons must lay their hands on the bull’s head.

Take some of the bull’s blood and apply it to the horns of the altar with your finger; then pour out all the rest of the blood at the base of the altar.

But burn up the bull’s flesh, its hide, and its dung outside the camp; it is a sin offering.