Lewis Short
caesūra (noun F) : caedo
* A cutting, felling, hewing, hewing off ligni, Plin. 16, 43, 84, § 230; silvae,id. 17, 20, 34, § 151
* Meton. (abstr. pro concr.), that which is hewn or cut off, Plin. 8, 26, 40, § 96.
* In metre, a pause in a verse, coesura; called also incisio, Diom. p. 496 P.; Bed. Metr. p. 2368 ib.
Charlton T. Lewis, Charles Short, A Latin Dictionary