planimeter
The American Dictionary and Cyclopedia · p. 38
[Eng. plane, and meter.] An instrument for ascertaining the contents of irregular plane figures; a planeometer or platometer. plā-ni-met-ric, plā-ni-met-ric-al, a . [Eng. planimetr (y); -ic , -ical : Fr. planimétrique .] Of or pertaining to planimetry; obtained by planimetry. plā-nim-ě-try, s . [PLANEOMETRY.] plān'-Ing, pr. par., a. & s. [PLANE, v.] A. & B. As pr . par . & particip . adj.: (See the verb.) C. As subst.: The act of smoothing the surface of wood, ., with a plane.
Readham'da tam maddeyi gor →