ETYMOLOGY
from bacon + tree – ‘growing bacon’
EXAMPLE
“… The pig was forgotten directly, and I began to have my doubts whether the parson would have cared to leave the ‘ nut brown ‘ for the sight of a whole Smithfield of ‘ bacon trees,’ he looked so happy after his second pull at the tankard. …”
From: Popular Edition of Tales and Sketches of Lancashire Life;
By Benjamin Brierley, 1884
“Marlocks Of Merriton”
Lexicophilia 