Webster's Revised Unabridged Dictionary · 1913

Ribaldry

Ribaldry , noun

[Old English ribaldrie, ribaudrie, Old French ribalderie, ribauderie.]

The talk of a ribald; low, vulgar language; indecency; obscenity; lewdness; -- now chiefly applied to indecent language, but formerly, as by Chaucer, also to indecent acts or conduct.
The ribaldry of his conversation moved astonishment even in that age. — Macaulay