systematic training by multiple repetitions | a hole or passage made by a drill; usually made for exploratory purposes |
(military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms | diameter of a tube or gun barrel |
similar to the mandrill but smaller and less brightly colored | a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary) |
a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | a person who evokes boredom |