Leviticus 4:1-6
unintentionally <07684> [through.]
violated ... violates <06213> [which ought.]
priest <03548> [the priest.]
bull <01241 06499> [a young bullock.]
sin ................. sin offering <02403> [for a sin.]
bring <0935> [bring.]
lay ... hand <03027 05564> [lay his hand.]
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.