a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
2.
something, as a scheme or argument, that does injury to the originator.
3.
Theater.
a.
a mobile platform, adjustable to different levels, for painting scenery.
b.
a batten, usually suspended vertically in the wings, for holding lighting units.
1827, adapted from an extinct Aboriginal languages of New South Wales, Australia. Another variant, perhaps, was wo-mur-rang (1798). The verb is from 1880.