n. In ancient Grammar and rhetoric, one of the larger or principal divisions of a sentence or period; a long clause, or a group of minor clauses or commata. See comma, 1.n. In ancient prosody, one of the members or sections of a rhythmical period, forming an uninterrupted sequence of feet, united under a principal ictus or beat: sometimes called a series.n. In paleography, a long clause or group of clauses, or a series of words of about the average length of such a group, estimated as approximately equal to a dactylic hexameter in extent—that is, as containing from 12 to 17 syllables.n. A mark of punctuation formed by two dots like periods placed one above the other (:), used to mark a discontinuity of grammatical construction greater than that indicated by the semicolon and less than that indicated by the period.n. In anatomy, a portion of the intestinal tract, the so-called “large” as distinguished from the “small” intestine, continuous from the ileum to the rectum; the great gut, beginning at the cæcum and ending in the sigmoid flexure.n. In entomology, the second portion of an insect's intestine, generally broader than the preceding portion or ileum.n. The silver peso or dollar of Costa Rica, of the value of 46½ cents or 100 centavos.