ˈ ̷ ̷| ̷ ̷ noun
Etymology: she (II) (plant) + oak
1. : any of several Australian trees of the genus Casuarina — compare beefwood 2a
2.
[so called from its having been first applied to a kind of cheap beer regarded as inferior to good beer as the she-oak is inferior to the oak]
slang Australia : beer