COMMA, noun

1. In writing and printing, this point [, ] denoting the shortest pause in reading, and separating a sentence into divisions or members, according to the construction. Thus, There is not a just man upon earth, that doeth good, and sinneth not. Virtue, wit, knowledge, are excellent accomplishments. Live soberly, righteously, and piously, in the present world.

2. In music, an enharmonic interval, being the eighth part of a tone, or the difference between a major and a minor semitone; a term used in theoretic music to show the exact proportions between concords.

3. Distinction.