Definition of "bora"

bora¹

noun
plural boras
1. An initiation ceremony for males among the Aboriginal people of New South Wales.
  Quotations
  Birribirai, a youth not yet admitted to a bora.
  1873, William Ridley, “Report on Australian Languages and Traditions”, in The Journal of the Anthropological Institute of Great Britain and Ireland, volume 2
  By far the most important among the ceremonies practised by the aborigines of New South Wales is the Bora, at which youths are initiated to manhood...
  1885, A. L. P. Cameron, “Notes on some Tribes of New South Wales”, in The Journal of the Anthropological Institute of Great Britain and Ireland, volume 14

bora²

noun
1. A cold, often dry, northeasterly wind which blows, sometimes in violent gusts, down from mountains on the eastern shore of the Adriatic Sea. It also applies to cold, squally, downslope winds in other parts of the world.
  Quotations
  When the bora blew down from the mountains, announcing the winter, would he ride it on out of town?
  2006, Thomas Pynchon, Against the Day, Vintage, published 2007, page 650