Meaning

• A keen-edged knife of peculiar shape, used in shaving the hair from the face or other parts of the body.

• Any tool or instrument designed for shaving.

• The sharp tusk of a wild boar.

• A conceptual device that allows one to shave away unlikely explanations for a phenomenon.

  "Occam's razor, Hanlon's razor"

Meaning

• To shave with a razor.