Spiritual meaning

Spiritually the nail represents necessity and fate. Nails also signify
Ultimate Sacrifice and pain and may suggest instruments of torture, either
spiritual or physical.

Psychological meanings

The penetrative power of the nail may be significant when we are having
difficulty with issues of either masculinity or of sexuality.

Common meanings

Dreaming of nails, as in woodworking, suggests our ability to bond things
together. The holding power of the nail may also be significant. Fingernails
and toenails usually suggest claws or the capability of holding on.

Gender-specific meanings

In a man’s dream nails may signify his own sense of self or his
assertiveness, whereas in a woman’s dream the same things are likely to be
much more representative of the masculine around her.