adjective
(historical, Ancient Rome) Of or pertaining to the erect phallus that was carried in bacchic processions.
Of or pertaining to an upward pointing, erect penis; (specifically) of an artistic depiction of a deity or other figure: possessing an erect penis.
(by extension) Lascivious, obscene.
(poetry) Pertaining to a metrical combination of two trochees followed by one spondee.
noun
A poem or song in an ithyphallic metre.
A lascivious or obscene poem or song.