What is the meaning of Immaculate?

Having no blemish or stain; absolutely clean and tidy.

1. Containing no mistakes.

   Containing no mistakes.

   Of a book, manuscript, etc.: having no textual errors.

   Free from sin; morally pure; sinless.

   Of the Virgin Mary or her womb: pure, undefiled.

   Lacking blotches, spots, or other markings.

   vocative masculine singular of immaculātus

   Source: wiktionary.org