COMMA
comma, comma butterfly, Polygonia comma
(noun) anglewing butterfly with a comma-shaped mark on the underside of each hind wing
comma
(noun) a punctuation mark (,) used to indicate the separation of elements within the grammatical structure of a sentence
Source: WordNet® 3.1
Etymology
Noun
comma (plural commas or commata)
(typography) The punctuation mark ⟨,⟩ used to indicate a set off parts of a sentence or between elements of a list.
Synonyms: scratch comma, virgule, virgula (in its obsolete form as a slash), come (in its obsolete form as a middot), comma-point (obsolete)
Hyponyms: comma of Didymus, inverted comma, Oxford comma, serial comma, syntonic comma
(Romanian typography) A similar-looking subscript diacritical mark.
(entomology) Any of various nymphalid butterflies of the genus Polygonia, having a comma-shaped white mark on the underwings, especially Polygonia c-album and Polygonia c-aureum of North Africa, Europe, and Asia.
(music) A difference in the calculation of nearly identical intervals by different ways.
(genetics) A delimiting marker between items in a genetic sequence.
(rhetoric) In Ancient Greek rhetoric, a short clause, something less than a colon, originally denoted by comma marks. In antiquity it was defined as a combination of words having no more than eight syllables in all. It was later applied to longer phrases, e.g. the Johannine comma.
(figurative) A brief interval.
Verb
comma (third-person singular simple present commas, present participle commaing, simple past and past participle commaed)
(rare, transitive) To place a comma or commas within text; to follow, precede, or surround a portion of text with commas.
Source: Wiktionary
Com"ma, n. Etym: [L. comma part of a sentence, comma, Gr. Capon.]
1. A character or point [,] marking the smallest divisions of a
sentence, written or printed.
2. (Mus.)
Definition: A small interval (the difference beyween a major and minor half
step), seldom used except by tuners. Comma bacillus (Physiol.), a
variety of bacillus shaped like a comma, found in the intestines of
patients suffering from cholera. It is considered by some as having a
special relation to the disease; -- called also cholera bacillus.
– Comma butterfly (Zoöl.), an American butterfly (Grapta comma),
having a white comma-shaped marking on the under side of the wings.
Source: Webster’s Unabridged Dictionary 1913 Edition