n. [ F. philtre, L. philtrum, Gr. fi`ltron, fr. filei^n to love, fi`los dear, loving. ] A potion or charm intended to excite the passion of love. [ Written also philtre. ] Addison. [ 1913 Webster ]
v. t. [ imp. & p. p. Philtered p. pr. & vb. n. Philtering. ] 1. To impregnate or mix with a love potion; as, to philter a draught. [ 1913 Webster ]
2. To charm to love; to excite to love or sexual desire by a potion. Gov. of Tongue. [ 1913 Webster ]