单词 polygonial 释义 † polygonial, a. (n.) Obs.[f. L. polygni-us polygonal + -al1.]a. adj. = polygonal a. b. n. = polygon.1703T. N. City & C. Purchaser 238 Polygonial Turrets.1766Compl. Farmer s.v. Surveying, To find the content of a regular polygonial,...