A thickly branching shrub.
A forest with under growth.
A bough.
We were down in the bed of the bush. – Over the Sliprails by Henry Lawson
After a great deal of beating about the bush, and apologising, he got it out. – Confessions of a Young Man by George Moore
I don't propose to beat about the bush, he said; it isn't my way. – Masterman and Son by W. J. Dawson