• (v. t.) To impregnate or mix with a love potion; as, to philter a draught. • (v. t.) To charm to love; to excite to love or sexual desire by a potion. • (n.) A potion or charm intended to excite the passion of love. Found on http://thinkexist.com/dictionary/meaning/philter/
Phil'ter noun [ French philtre , Latin philtrum , Greek ..., from ... to love, ... dear, loving.] A potion or charm intended to excite the passion of love. [ Written also philtre .] Addison. Found on http://www.encyclo.co.uk/webster/P/73
Phil'ter transitive verb [ imperfect & past participle Philtered ; present participle & verbal noun Philtering .] 1. To impregnate or mix with a love potion; as, to philter a draught. 2. To charm to love; to excit... Found on http://www.encyclo.co.uk/webster/P/73