turrel

plural turrels

1. A tool used primarily by coopers to bore holes.

   There were plenty of tools in the carpenter's chest, bags of nails, turrels, screws, and iron nuts and bands of all sorts for repairing the yacht.

   1888, Jules Verne, Adrift in Pacific or, Two Years' Vacation

   2 more examples

   If the foreign body is so firmly fixed as to resist traction, or if it is impossible to seize it, we will find it useful, if its composition will permit, to employ a gimlet or turrel, the instrument being introduced by gliding it along the left index finger.

   1881, Alfred Poulet, A Treatise on Foreign Bodies in Surgical Practice - Volume 1, page 257

   Guyon (Fig. 145, a, b, c, d ) bores a turrel ( a cooper's tool ) into the vault of the cranium and trephines with the crown of the instrument set over this.

   1890, Franz Winckel, A Text-book of obstetrics, page 660