Lemon rum is a type of [ingredient=rum rum] that is naturally or artificially flavored with [ingredient=lemon lemon], which is usually lemon oils from the [ingredient=lemon-peel peel]. Most lemon rums are clear and unaged, with a soft, lemon peel aroma and flavor.
Bacardi makes a common brand of lemon rum, which is lightly sweetened and bottled at 70 proof.