noun
plural drills
[count] :a tool used for making holes in hard substances
an exercise done to practice military skills or procedures [count]
a physical or mental activity that is done repeatedly in order to learn something, become more skillful, etc. [count]
know the drill
informal :to know how something is done :to be familiar with a regular process, procedure, etc.
verb
drills; drilled; drilling
to make a hole in something with a drill [+ obj]
[+ obj] to teach or train (someone) by repeating a lesson or exercise again and again
to train (soldiers) by making them practice military procedures and exercises
[+ obj] US sports informal :to hit (someone or something) very hard
drill into
[phrasal verb]
drill (something) into (someone) :to force (something) to be learned very well by (someone) by repeating it again and again
noun
plural drills
[count] a row of seeds planted by a special machine
a special machine that plants seeds in rows - compare 1drill 5drill
verb
drills; drilled; drilling
[+ obj] :to plant (seeds) in a row with a special machine - compare 2drill
noun
[noncount] :a type of strong cotton cloth - compare 1drill 3drill