jet hole

jet hole

[′jet ‚hōl]
(engineering)
A borehole drilled by use of a directed, forceful stream of fluid or air.
References in periodicals archive ?
Use a water hose or piece of pipe to jet holes in the ground 18 inches deep; place cuttings in the holes; sift fine soil around them.
Screw in the gas jets in decreasing order of gas jet holes until the rifle operates and ejects normally.
Another problem that occurs in spunlacing is the scaling or corroding of the jet holes.