Noah Webster's 1828 American Dictionary of the English Language is regarded by many as the finest English
dictionary ever published. The dictionary is available in many forms. I made the content available here for my own purposes,
out of personal admiration for this particular dictionary.
IMMAC'ULATE, n. [L.immaculatus; in and macula, a spot.] 1. Spotless; pure; unstained; undefiled; without blemish; as immaculate reputation; immaculate thoughts. Our Savior has set us an example of an immaculate life and conversation. 2. Pure; limpid; not tinged with impure matter; as an immaculate fountain. Immaculate conception, the conception of our Savior by the virgin Mary.