trepan

The learned doctors held a consultation, and resolved to trepan the skull and extract the worm.

Figs. 141 to 146 are of the connections to the trepan and spears or rods.

If our Vulcans now-a-days were to trepan the heads of our Jupiters, they would find nothing in them!

The sheep necessarily dies at last, unless we remove the parasite by means of the trepan.

The surgical trepan is a different word altogether, and belongs to Greco-Lat.