Lock

English word name

"a fastening (as for a door) operated by a key or a combination"

Lock Origin and Meaning

The name Lock is a boy's name meaning "a fastening (as for a door) operated by a key or a combination".

Interestingly, Locke is a gender-neutral name used only for boys, while word name Lock is so rare it was given to fewer than five children of either gender in the US last year.