- the sign (,), a mark of punctuation used for indicating a division in a sentence, as in setting off a word, phrase, or clause, especially when such a division is accompanied by a slight pause or is to be noted in order to give order to the sequential elements of the sentence. It is also used to separate items in a list, to mark off thousands in numerals, to separate types or levels of information in bibliographic and other data, and, in many European countries, as a decimal point.
- Classical Prosody.
- a fragment or smaller section of a colon.
- the part of dactylic hexameter beginning or ending with the caesura.
- the caesura itself.
- the minute, virtually unheard difference in pitch between two enharmonic tones, as G♯ and A♭.
- any of several nymphalid butterflies, including the North American Polygonia comma, having a comma-shaped silver mark on the underside of each hindwing.
- the punctuation mark(,) indicating a slight pause in the spoken sentence and used where there is a listing of items or to separate a nonrestrictive clause or phrase from a main clause
- a minute interval
- short for comma butterfly
