pneumatic drill

: of, relating to, or using gas (such as air or wind):

: moved or worked by air pressure

: adapted for holding or inflated with compressed air

: to fix something in the mind or habit pattern of by repetitive instruction

: to impart or communicate by repetition

: to train or exercise in military drill

: an instrument with an edged or pointed end for making holes in hard substances by revolving or by a succession of blows

: the act or exercise of training soldiers in marching and in executing prescribed movements with a weapon

: a physical or mental exercise aimed at perfecting facility and skill especially by regular practice

: a western African baboon (Mandrillus leucophaeus synonym Papio leucophaeus) having a black face and brown coat and closely related to the mandrill

: a shallow furrow or trench into which seed is sown

: a row of seed sown in such a furrow

: a planting implement that makes holes or furrows, drops in the seed and sometimes fertilizer, and covers them with earth

: to sow (seeds) by dropping along a shallow furrow

: to sow with seed or set with seedlings inserted in drills

: to distribute seed or fertilizer in by means of a drill

: a durable cotton twilled fabric