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.
(ËkaÊntÉËsÉªÅk) vb (tr) , -sinks, -sinking, -sank or -sunk. 1. (Building) to enlarge the upper part of (a hole) in timber, metal, etc, so that the head of a bolt or screw can be sunk below the surface. 2. (Building) to drive (a screw) or sink (a bolt) into such an enlarged hole. n. 3. (Building) Also called: countersink bit a tool for countersinking.