In doing this, care is taken to direct the flame partly on the main tube in the two Crotches, so that both tubes blow out a little and give space for the gases to turn in, as indicated in c, Fig.
"Laboratory Manual of Glass-Blowing"
Francis C. Frary
No Crotches are used in putting up the shanty-tent.
"Woodcraft"
George W. Sears
It was a tree made for children to play in, with low spreading branches and great Crotches, the limbs all twisted and bent and one of them curving down so low you could sit in it and touch your feet to the ground.
"Molly Brown's Post-Graduate Days"
Nell Speed