An activity done as an exercise or practice (especially a military exercise), particularly in preparation for some possible future event or occurrence.
“The winners turned out to be a team of journeymen Greeks, well schooled by a German drillmaster.”
“Clark is not as good a drillmaster as Dillon, not enough vivacity and life.”
“He was a drillmaster but the work paid off as the Americans won four of five games here, losing only to Canada after they had already made the medal round.”
drilling
Act of drilling.
A heavy, twilled fabric of linen or cotton; drill.