planimeter Meaning, Definition & Usage

  1. noun a measuring instrument for measuring the area of an irregular plane figure
    integrator.

WordNet

Pla*nim"e*ter noun
Etymology
Plani- + -meter. Cf. Planometer.
Definitions
  1. An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.

Webster 1913