PLANIFORM
Plan"i*form, a. (Anat.)
Defn: Having a plane surface; as, a planiform, gliding, or arthrodial articulation.
PLANIMETER
Pla*nim"e*ter, n. Etym: [Plani- + -meter. Cf. Planometer.]
Defn: An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer.
PLANIMETRIC; PLANIMETRICAL
Plan`i*met"ric, Plan`i*met"ric*al, a. Etym: [Cf. F. planimétrique.]
Defn: Of or pertaining to planimetry.
PLANIMETRY
Pla*nim"e*try, n. Etym: [Cf. F. planimétrie.]
Defn: The mensuration of plane surfaces; — distinguished from stereometry, or the mensuration of volumes.
PLANING
Plan"ing,
Defn: a. & vb. n. fr. Plane, v. t. Planing machine. (a) See Planer. (b) A complex machine for planing wood, especially boards, containing usually a rapidly revolving cutter, which chips off the surface in small shavings as the piece to be planed is passed under it by feeding apparatus.