Meaning of COMMA in English

n.1 a punctuation mark (,) indicating a pause between parts of a sentence, or dividing items in a list, string of figures, etc.

2 Mus. a definite minute interval or difference of pitch.

Phrases and idioms:

comma bacillus a comma-shaped bacillus causing cholera.

Etymology: L f. Gk komma clause

Oxford English vocab.      Оксфордский английский словарь.