she-oak

noun2

1. •
   (Australia) Any of various trees and shrubs of the family Casuarinaceae growing in Australasia and parts of Asia.

   • When she swung the belt again he crossed his fingers for her and screwed up his face in sympathy when it caught, in mid-air, on a branch of a big old she-oak that hung above the falls. — 1985
2. •
   (slang, no longer used) Beer.