Im-măc'ŭ-late, a.
a. [Lat. immaculatus; prefix im, for in, and maculare, to spot, stain, from macula, spot; It. immaculato, immacolato, Sp. immaculado, Fr. immaculé.] 1. Spotless; without blemish; unstained; undefiled; pure.
Were but my soul as pure From other guilt as that, Heaven did not hold One more immaculate. Denham.
Sense 2. Not tinged with impure matter; limpid; pure; as, an immaculate fountain. Shak.
Immaculate conception (Theol.), the doctrine, as held in the Roman Catholic church, that the Virgin Mary was born without original sin.