per-fūsĭo, ōnis, f. [perfundo].
I In gen., a pouring over or upon , a wetting , moistening (post-Aug.). perfusio corporis ex aquā calidā, Cels. 4, 8; Plin. 18, 7, 14, § 74.—In plur.: alarum perfusiones, Plin. 23, 9, 82, § 164.—
II Esp., baptism , Lact. 4, 15, 1.