See Also: semicircle(dictionary)
semicircle(dictionary)

semicircle (iou)



semicircle noun & verb. E16.
[Latin semicirculus, formed as SEMI- + circulus CIRCLE noun.]
A. noun.
Half of a circle or of its circumference. E16.
A set of objects arranged in, or a formation, structure, etc., in the form of, a half-circle. L16.
An instrument in the shape of or marked with a half-circle; spec. = GRAPHOMETER. L16.
b. verb. rare.
verb trans. Surround with a semicircle. E19.
verb intrans. Form a semicircle. M19.
semicircled adjective (chiefly poet.) of the form of a semicircle; arranged (as) in a semicircle: L16.