n. [ L. prolusio, fr. proludere to prelude; pro before + ludere to play: cf. F. prolusion, It. prolusione. ] A trial before the principal performance; a prelude; hence, an introductory essay or exercise. “Domestic prolusions.” Thackeray. [ 1913 Webster ]

Her presence was in some measure a restraint on the worthy divine, whose prolusion lasted. Sir W. Scott. [ 1913 Webster ]

n. [ L. profusio: cf. F. profusion. ] [ 1913 Webster ]

1. The act of one who is profuse; a lavishing or pouring out without sting. [ 1913 Webster ]

Thy vast profusion to the factious nobles? Rowe. [ 1913 Webster ]

2. Abundance; exuberant plenty; lavish supply; as, a profusion of commodities. Addison. [ 1913 Webster ]