#1 knockabout n. a sloop with a simplified rig and no bowsprit. wn
#2 knockabout s. [boisterous] full of rough and exuberant animal spirits; "boisterous practical jokes"; "knockabout comedy". wn
#3 knockabout s. suitable for rough use; "a knockabout overcoat"; "a knockabout old car". wn
vizzz