a method of irrigation, used mainly in the western U.S., in which water is dispersed through a long, segmented arm that revolves about a deep well and covers a circular area from a quarter of a mile to a mile in diameter.
one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car […]
a punch for making shallow indentations in metal work, as to center drill bits. Historical Examples
to mark with a center punch.
the pair of pages facing each other at the center of a magazine or newspaper, printed and made up as a single unit. matter occupying this space. Compare double truck (def 2).