Leviticus 4:6
dip <02881> [dip.]
seven times <07651 06471> [seven times.]
The number seven is what is called a number of perfection among the Hebrews; and is often used to denote the completion, fulness, or perfection of a thing.
Leviticus 4:17
Leviticus 14:6
live bird ........................... live bird ....... bird ..... fresh <06833 02416> [the living bird.]
live ........................ dip ..... live ............ fresh <02881 02416> [dip them.]