A tool used to bore holes in the ground, e.g. for fence posts
A snake or plumber's snake (plumbing tool).
A hollow drill used to take core samples of soil, ice, etc. for scientific study.
A carpenter's tool for boring holes longer than those bored by a gimlet.
To use an auger; to drill a hole using an auger.
To proceed in the manner of an auger.
A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan.
To use a trephine during surgery.
To perforate with a trephine.