caesura \sih-ZHUR-uh; -ZUR-\, noun;
plural caesuras or caesurae \sih-ZHUR-ee; -ZUR-ee\:
1. A break or pause in a line of verse, usually occurring in the middle of a line, and indicated in scanning by a double vertical line; for example, "The proper study || of mankind is man" [Alexander Pope, An Essay on Man].
2. Any break, pause, or interruption.
Caesura comes from Latin caesura, "a cutting off, a division, a stop," from the past participle of caedere, "to cut."