drill in WordNet English dictionary

1. make a hole, especially with a pointed power or hand tool
   "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"
   bore  drill 
   
2. learn by repetition
   "We drilled French verbs every day"; "Pianists practice scales"
   drill  exercise  practice  practise 
   
3. teach by repetition
   drill 
   
4. train in the military, e.g., in the use of weapons
   drill 
   
5. undergo military training or do military exercises
   drill 
   

1. systematic training by multiple repetitions
   "practice makes perfect"
   exercise  practice  drill  practice session  recitation 
   
2. (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
   drill 
   
3. similar to the mandrill but smaller and less brightly colored
   drill  Mandrillus leucophaeus 
   
4. a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
   drill