doublegee

Noun

1. Three-cornered jack.
   • Fronting the tea-coloured Greenough and overwhelmed by vast paddocks of hay stubble behind, in was a simple, peculiar shack in a lake of doublegees. - 1993, Tim Winton, Land's Edge, Picador, published 2014, page 17:
   • Auntie Marg was down from Magnet and me and Lee played cricket out the back with the littlies to get some air and keep them busy. Now and then a batter would really get onto one and the ball'd go out through the...