eta meaning, definition, what is eta: the seventh letter of the Greek alphabet. Learn more.
shafts definition, shafts meaning | English dictionary. shaft. 1 the long narrow pole that forms the body of a spear, arrow, etc. 4 a rod or pole forming the handle of a hammer, axe, golf club, etc.
/ËdrÉªl/. noun. plural drills. Learner's definition of DRILL. 1. [count] : a tool used for making holes in hard substances. â see picture at carpentry; see also pneumatic drill. an electric/power drill.the dentist's drill. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.ËdrÉªl/. noun. plural drills. Learner's definition of DRILL. 1. [count] : a tool used for making holes in hard substances. â see picture at carpentry; see also pneumatic drill. an electric/power drill.