lower case: Meaning and Definition of

low'er case'

1. See under (def. 8).

low•er•case

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. pertaining to or belonging in the lower case. Cf. case (def. 8).

1. to print or write with a lowercase letter or letters.

1. a lowercase letter.