Meaning

• An attendant spirit, often in animal or demon form.

  "The witch’s familiar was a black cat."

• A member of one's family or household.

• A member of a pope's or bishop's household.

• A close friend.

• The officer of the Inquisition who arrested suspected people.

Meaning

• Known to one, or generally known; commonplace.

  "there’s a familiar face; that tune sounds familiar"

• Acquainted.

  "I'm quite familiar with this system; she's not familiar with manual gears"

• Intimate or friendly.

  "we are not on familiar terms; our neighbour is not familiar"

• Inappropriately intimate or friendly.

  "Don’t be familiar with me, boy!"

• Of or pertaining to a family; familial.