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.
axle. 1  a shaft on which a wheel rotates. 2  one of two shafts extending from the body of a cart or carriage on either side of the animal that pulls it. 3  an axle that carries a wheel but without power to drive it. 4  the part of the axle contained by a bearing. 5  the axle of a self-propelled vehicle that provides the driving power.