[prowl] vb [ME prollen] vi (14c): to move about or wander stealthily in or as if in search of prey ~ vt: to roam over in a predatory manner -- prowl.er n
[2]prowl n (1803): an act or instance of prowling -- on the prowl : in the act of prowling; also: in search of something "his fourth wife had just left him, and he was on the prowl again --Mary McCarthy"