The Collaborative International Dictionary of English v.0.48:

Erotic \E*rot"ic\, Erotical \E*rot"ic*al\, a. [Gr. ?: cf. F.
   ['e]rotique. See Eros.]
   Of or pertaining to the passion of love; treating of love;
   amatory.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Erotic \E*rot"ic\, n.
   An amorous composition or poem.
   [1913 Webster]

WordNet (r) 3.0 (2006):

erotic
    adj 1: giving sexual pleasure; sexually arousing [syn: erotic,
           titillating]
    n 1: an erotic person

Moby Thesaurus II by Grady Ward, 1.0:

82 Moby Thesaurus words for "erotic":
   amative, amatory, amorous, anacreontic, animal, aphrodisiac,
   aphrodisiomaniacal, ardent, arousing, bawdy, blue, canal, carnal,
   clitoromaniacal, concupiscent, desirous, dirty, earthy, epicurean,
   erogenic, erogenous, eroticomaniacal, erotogenic, erotomaniacal,
   fervent, fervid, filthy, fleshly, gamic, goatish, gynecomaniacal,
   heterosexual, horny, hot, hysteromaniacal, impassioned,
   ithyphallic, lascivious, lecherous, lewd, libidinal, libidinous,
   lickerish, loverlike, loverly, lovesome, lubricious, lubricous,
   lustful, nasty, naughty, nuptial, nymphomaniacal, obscene,
   oversexed, passionate, pornographic, potent, priapic, procreative,
   prurient, randy, ribald, risque, rousing, salacious, satyric,
   seductive, sensual, sex, sexed, sexlike, sexual, sexy, spicy,
   stimulating, straight, suggestive, titillating, undersexed,
   venereal, voluptuous