from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A love potion.
- n. A magic potion or charm.
- transitive v. To enchant with or as if with a philter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To impregnate or mix with a love potion.
- v. To charm to love; to excite to love or sexual desire by a potion.
from the GNU version of the Collaborative International Dictionary of English
- n. A potion or charm intended to excite the passion of love.
- transitive v. To impregnate or mix with a love potion.
- transitive v. To charm to love; to excite to love or sexual desire by a potion.
from The Century Dictionary and Cyclopedia
- n. A potion supposed to have the power of exciting sexual love; a love-potion.
- To impregnate with a love-potion: as, to philter a draught.
- To excite to sexual love or desire by a potion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a drink credited with magical power; can make the one who takes it love the one who gave it
And, perchance still failing, then might I expect the common bravo's steel in my back or the common poisoner's philter in my wine, my meat, or bread.
Past sand-colored mosques and beneath the mullioned windows I comb the streets looking for any evidence of a crocodile, but come up with nothing, save a popular extract of crocodile, a philter ointment whose label says, "For you and your happiness."
He half walked, half carried the asura back up the hill, where he dug through his pack filled with waxed-paper wrappings, finally producing a reddish philter.
Charles the Great enforced to love basely by a philter
Plutarch records of Lucullus that he died of a philter; and that Cleopatra used philters to inveigle Antony, amongst other allurements.
Aphonsi, hath a story of one Stephan, a Neapolitan knight, that by a philter was forced to run mad for love.
As for herbs and philters, I could never skill of them, The sole philter that ever I used was kissing and embracing, by which alone I made men rave like beasts stupefied, and compelled them to worship me like an idol.
St. Hierome proves that they can do it (as in Hilarius 'life, epist.lib. 3); he hath a story of a young man, that with a philter made a maid mad for the love of him, which maid was after cured by Hilarion.
King Duffe; characters stamped of sundry metals, and at such and such constellations, knots, amulets, words, philters, &c., which generally make the parties affected, melancholy; as  Monavius discourseth at large in an epistle of his to Acolsius, giving instance in a Bohemian baron that was so troubled by a philter taken.
Rumor has it that she may have given him something called a "love-philter" to keep him impotent and away from her.