Part 318

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

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

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

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.

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

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.

Plan"i*sphere (?), n. [Plani- + sphere: cf. F. planisphËre. 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.

Plan`i*spher"ic (?), a. Of or pertaining to a planisphere.

Plank (?), n. [OE. planke, OF. planque, planche, F. planche, fr. L. planca; cf. Gr. &?;, &?;, anything flat and broad. Cf. Planch.] 1. A broad piece of sawed timber, differing from a board only in being thicker. See Board.

2. Fig.: That which supports or upholds, as a board does a swimmer.

His charity is a better plank than the faith of an intolerant and bitter-minded bigot.

Southey.

3. One of the separate articles in a declaration of the principles of a party or cause; as, a plank in the national platform.

Plank road, or Plank way, a road surface formed of planks. [U.S.] -- To walk the plank, to walk along a plank laid across the bulwark of a ship, until one overbalances it and falls into the sea; -- a method of disposing of captives practiced by pirates.

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Plank (?), v. t. [imp. & p. p. Planked (?); p. pr. & vb. n. Planking.] 1. To cover or lay with planks; as, to plank a floor or a ship. "Planked with pine." Dryden.

2. To lay down, as on a plank or table; to stake or pay cash; as, to plank money in a wager. [Colloq. U.S.]

3. To harden, as hat bodies, by felting.

4. (Wooden Manuf.) To splice together the ends of slivers of wool, for subsequent drawing.

Planked shad, shad split open, fastened to a plank, and roasted before a wood fire.

Plank"ing, n. 1. The act of laying planks; also, planks, collectively; a series of planks in place, as the wooden covering of the frame of a vessel.

2. The act of splicing slivers. See Plank, v. t., 4.

Plank"-sheer` (?), n. (Shipbuilding) The course of plank laid horizontally over the timberheads of a vessel's frame.

Plan"less (?), a. Having no plan.

Plan"ner (?), n. One who plans; a projector.

Pla"no- (?). See Plani-.

Plan"o*blast (?), n. [Gr. &?; to wander + -blast.] (Zoˆl.) Any free-swimming gonophore of a hydroid; a hydroid medusa.