Pronunciation: (lō'ur-kās'), [key]
—adj., v., -cased, -cas•ing,
1. (of an alphabetical letter) of a particular form often different from and smaller than its corresponding capital letter, and occurring after the initial letter of a proper name, of the first word in a sentence, etc. Examples: a, b, q, r.
2. Print.pertaining to or belonging in the lower case. Cf. case2 (def. 8).
to print or write with a lowercase letter or letters.
a lowercase letter.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.