'Planimeter' definitions:
Definition of 'planimeter'
From: WordNet
noun
A measuring instrument for measuring the area of an irregular plane figure [syn: integrator, planimeter]
Definition of 'Planimeter'
From: GCIDE
- Planimeter \Pla*nim"e*ter\, n. [Plani- + -meter. Cf. Planometer.] An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer. [1913 Webster] Planimetric