A tool used for drilling.
A person who bores or drills; a person employed to drill bore holes.
A cyclostome, such as a hagfish, which bores into injured, dead, or decaying sea creatures to feed on their flesh.
One of the many types of mollusc that bore into soft rock.
A knife fit for a stabbing.
A tedious person; a person who bores others; a bore.
An insect or insect larva that bores into wood.
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.