a. [ Plani- + L. folium leaf. ] (Bot.) Flat-leaved. [ 1913 Webster ]

a. (Anat.) Having a plane surface; as, a planiform, gliding, or arthrodial articulation. [ 1913 Webster ]

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 ]

{ } a. [ Cf. F. planimétrique. ] Of or pertaining to planimetry. [ 1913 Webster ]

n. [ Cf. F. planimétrie. ] The mensuration of plane surfaces; -- distinguished from stereometry, or the mensuration of volumes. [ 1913 Webster ]

a. & vb. n. fr. Plane, v. t. [ 1913 Webster ]

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. [ 1913 Webster ]

a. Of or pertaining to Planipennia. [ 1913 Webster ]

‖n. pl. [ NL., fr. L. planus plane + penna wing. ] (Zool.) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, etc. Called also Planipennes. [ 1913 Webster ]

a. [ Plani- + petal. ] (Bot.) Having flat petals. [ 1913 Webster ]

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. [ 1913 Webster ]