Philter

Part of speech: noun (n.)

A potion or charm intended to excite the passion of love. [Written also philtre.] Addison.

Part of speech: verb (v.)

1. To impregnate or mix with a love potion; as, to philter a draught.

2. To charm to love; to excite to love or sexual desire by a potion. Gov. of Tongue.