plane tile

A flat tile, about 61⁄2 x 10% inches and thick. It weighs from 2 to 21⁄2 pounds. [TILE, 8.] plane-trigonometry, s. [TRIGONOMETRY.] plāne, subst. [Fr., from Lat. platanum , acc. of platan us a plane; Gr. platanos . from plat us =wide, in allusion to the broad leaves and spreading form; Sp., Port., & Ital. platano .] [PLATAN.] 1. Sing .: The same as PLANE-TREE (q. v.). 2. Pl .: Lindley's English name for the Platan a cere (q. v.). plane-tree, s . Bot.: Any species of the genus Platan us (q. v.), of which five or six exist. They are tall trees with ponderous trunks, the bark of which peels off annually, leaving the surface smooth and bare. The Oriental Plane-tree, Platan us oriental is , an umbrageous tree, seventy to ninety feet high, has palmate leaves like those of the Sycamore. It is a native of Western Asia and Cashmere. Its smooth grained wood is used in the East for cabinet-making. Mr. Honigberger says that in India its bruised leaves are applied to the eyes in ophthalmia, and its bark, boiled in vinegar, given in diarrhea. The Occidental or American Plane-tree, Platan us occi dental is, has le deeply divided and indented leaves, and no membranous bracts along the female flowers. On the banks of the Ohio and the Mi i ippi there are trees ten to sixteen feet in diameter. Called in this country also Button-wood, Water beech, and Sycamore, and in Canada Cotton-tree. A third species, often confounded with this one, is the Maple-leaved Plane, Platan us acer i folia , the species, sometimes with giant trunk, cultivated in some London squares. The Scotch or Mock-plane tree is Acer - pseudo platan us .