/ Dictionary / Index A apparatus criticus: Meaning and Definition of Find definitions for: ap•pa•ra•tus crit•i•cus Pronunciation: (ap"u-rat'us krit'i-kus, -rā'tus Lat. äp"pä-rä't&oobreves krit'i-k&oobreves"), [key] supplementary information, as variant readings, added to a text to provide material for study or criticism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apparatus apparel Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language