Third-person singular simple present indicative form of drill.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "drills" in a sentence
"Among the Beavers being held out of spring drills is starting left guard Grant Johnson, who is recovering from shoulder surgery."
"Sophomore Tyler Wilson will begin drills with the No. 1 unit, but redshirt freshman Brandon Mitchell and early enrollee Jacoby Walker also are in the picture."
"Palin drills down in policy in high-profile speech"