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.