See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Drill(medicine)
drill(encyclopedia)
drill(6)(dictionary)
drill(9)(dictionary)
drill(8)(dictionary)
drill(7)(dictionary)
bur drill(medicine)
air drill(medicine)
drill(4)(dictionary)

os metacarpale (medicine) and drill(4) (iou)


os metacarpale (medicine)


os metacarpale -->
metacarpal bone


One of the metacarpal bones, five long bones (numbered I to V, beginning with the bone on the radial or thumb side) forming the skeleton of the metacarpus or palm; they articulate with the bones of the distal row of the carpus and with the five proximal phalanges.

Synonym: os metacarpale.


drill(4) (iou)



drill noun2. E17.
[from DRILL verb3. In sense 1 prob. from Dutch dril, drille.]
A tool or machine for making holes in bulk material, or sinking wells, by using a rotating cutting tip or a reciprocating hammer or chisel; spec. a dentist's rotary tool for cutting away part of a tooth etc. E17.
Archimedean drill, diamond drill, hammer drill, percussion drill, etc.
b. A univalve mollusc, Urosalpinx cinerea, which bores into the shells of young oysters. Also oyster drill. L19.
(Repeated) Training or instruction in military exercises; a form or instance of this. M17.
T. Heggen Loading drill on the five-inch gun. S. Hill The days were taken up with a succession of drills and parades and inspections.
b. transf. Intensive instruction or Training in a subject. E19.
SWEDISH drill.
Tennis Enormous benefit to tennis Fitness can be gained by pressure Training and high quality drills.
A person who drills soldiers. E19.
The correct or recognized procedure. colloq. M20.
D. O'Grady Angle parking was the drill, front to kerb.
Comb.: drill-book a manual of instruction in military drill; drill pipe Oil Industry piping which carries and rotates the bit during drilling and conveys the circulating mud; drill press a machine tool for drilling holes, set on a fixed stand; drill-sergeant a non-commissioned officer who trains soldiers in military exercises; drill-ship: used to support a drilling rig; drill stem Oil Industry in percussion drilling, a heavy metal rod added above the bit to give weight; in rotary drilling, = KELLY noun 4; also, the whole drill-string; drill-stem test, a test of potential made by sampling from a partly drilled well; drill string: see STRING noun 22b.