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.

Planipennate
(Pla`ni*pen"nate) a. Of or pertaining to Planipennia.

Planipennia
(||Pla`ni*pen"ni*a) n. pl. [NL., fr. L. planus plane + penna wing.] (Zoöl.) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, etc. Called also Planipennes.

Planipetalous
(Plan`i*pet"al*ous) a. [Plani- + petal.] (Bot.) Having flat petals.

Planish
(Plan"ish) v. t. [imp. & p. p. Planished ; p. pr. & vb. n. Planishing.] [OF. planir, F. planer. See Plane, v., and -ish.] To make smooth or plane, as a metallic surface; to condense, toughen, and polish by light blows with a hammer.

Planisher
(Plan"ish*er) n. One who, or that which, planishes. Weale.

Planishing
(Plan"ish*ing), a. & vb. n. from Planish, v. t.

Planishing rolls(Coining), rolls between which metal strips are passed while cold, to bring them to exactly the required thickness.

Planisphere
(Plan"i*sphere) n. [Plani- + sphere: cf. F. planisphère. See Plain, and Sphere.] The representation of the circles of the sphere upon a plane; especially, a representation of the celestial sphere upon a plane with adjustable circles, or other appendages, for showing the position of the heavens, the time of rising and setting of stars, etc., for any given date or hour.

Planiform
(Plan"i*form) a. (Anat.) Having a plane surface; as, a planiform, gliding, or arthrodial articulation.

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.

Planimetric
(Plan`i*met"ric Plan`i*met"ric*al) a. [Cf. F. planimétrique.] Of or pertaining to planimetry.

Planimetry
(Pla*nim"e*try) n. [Cf. F. planimétrie.] The mensuration of plane surfaces; — distinguished from stereometry, or the mensuration of volumes.

Planing
(Plan"ing) a. & vb. n. fr. Plane, v. t.

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