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▪ I. flanch, n.1 Her.|flɑːnʃ, -æ-|
Also flaunch, flanque.
[? a. OF. flanche fem., = flanc masc., flank.]
A sub-ordinary formed on each side of the shield by a line arched or convex towards the centre, always borne double or in pairs.
We have not been able to find direct evidence that flanche was used in Fr. in the heraldic sense; but the form flanque, and the adjs. flanché, flanqué, are in Geliot (ed. Palliot 1664).
1562Leigh Armorie (1597) 70 b, He beareth Ermin, ij Flaunches, Vert. This is one degree vnder the aforesaide Flasques. 1688R. Holme Armoury i. iv. 39 He beareth Gules, two Flanches Argent. 1727Bradley Fam. Dict. s.v., Flanches are always born by Pairs; the Flanch bends more than the Flask. 1828–40Berry Encycl. Herald. I, Flanch, Flanque, or Flasque. Leigh would make flanch and flasque two distinct subordinate ordinaries, but Gibbon very judiciously accounts them both as one.
Hence flanched ppl. a., having flanches.
1688R. Holme Armoury i. ix. 93 He beareth Vert, a Pile, and two demy ones Imbowed or Flanched. 1889Elvin Dict. Her. s.v., A shield of Fitz-Alan, flanched ar.
▪ II. flanch, n.2|flɑːnʃ, -æ-|
Also flaunch.
[This and its variant flange are prob. f. flanch, flange vbs. The usual explanation is that the n. is ad. OF. flanche fem. = flanc masc., flank; but the sense is hardly suitable.]
1. = flange 2.
1726Desaguliers in Phil. Trans. XXXIV. 81 With a Shoulder or Flaunch screw'd within the Circle O O by 4 other Screws. 1784Darwin ibid. LXXV. 3 Another leaden ring or flanch was soldered round the leaden pipe. 1862Smiles Engineers III. 8 With flanches cast upon the tire of the waggon-wheels to keep them on the track.
2. Comb. as flanch-chuck, -mill (see quots.).
1833J. Holland Manuf. Metal II. x. 249 Coffee is ground by what is called a flanch mill, having the body composed of rolled iron, and being screwed against a post in the kitchen. 1842Francis Dict. Arts, etc., Flanch Chuck, a..chuck, formed like a flanch; but instead of holes being bored in it..furnished with several points, upon which the article to be turned is fixed.
Hence flanched ppl. a., having a flanch.
1793Smeaton Edystone L. 196 The flanched border..which surrounds the face of the pillars. 1851Greenwell Coal-trade Terms Northumb. & Durham 7 Tubs having flanched wheels.
▪ III. flanch, v.|flɑːnʃ, -æ-|
Also flaunch, flange v.
[Of obscure origin; there would seem to be some connexion with the synonymous flan v.; but the relation between the two words is not explained by any known process of derivation. Assuming the primary sense to be ‘to extend laterally’, flanch might conceivably be derived from F. flanc flank; but no vb. *flancher of similar sense has been discovered in Fr. of any period.
An OF. flanchir, flangir, flainchir occurs as a synonym (perh. a variant) of flechir to bend (cf. flinch). Can the Eng. vb. be an adoption of this in a specialized sense?]
intr. To spread, widen out; to slope outwards towards the top. Also with out, off. to flanch up: to slope inwards towards the top; applied especially to the outsides of chimney-shafts.
1776Withering Brit. Plants (1796) IV. 357 Dark grey and smooth within; the border flanching out. 1802Trans. Soc. Enc. Arts XX. 288 The sides, from the floor-heads to the top of the gunwale, flaunch off on each side. 1833Loudon Encycl. Archit. §234 Each flue to have a Roman cement chimney shaft..flanched up (sloped in a way to throw off wet).
Hence ˈflanching ppl. a.
1802Capt. Reed in Naval Chron. VII. 490 The curvature of the keel and the flaunching sides..render it almost impossible to be upset. |