Lar n.; pl. Lares sometimes Lars   Rom. Myth. A tutelary deity; a deceased ancestor regarded as a protector of the family. The domestic Lares were the tutelar deities of a house; household gods. Hence, (Fig.): Hearth or dwelling house.
  Nor will she her dear Lar forget,
  Victorious by his benefit.   --Lovelace.
     The Lars and Lemures moan with midnight plaint.   --Milton.
     Looking backward in vain toward their Lares and lands.   --Longfellow.