mould-boardmold-boardn.2
/ˈməʊl(d)bɔːd/, U.S. /ˈmoʊl(d)ˌbɔrd/ 1. † a. Candle-making. A board on which the moulds for mould-candles are set. Obsolete.
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1702 Inventory 4 Aug. in Probate Inventories Lincoln (Linc. Rec. Soc.) (1991) 115 Mould bords and Rodds [in a chandler's candle house].
b. Founding. A board on which the pattern for a mould is placed and on which the mould is constructed. Cf. moulding board n.1 3.
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1861 Charleston (S. Carolina) Mercury 21 Feb. All projectiles are cast in sand in mould boxes... In moulding, the grooved half of the pattern is set upon the mould board, and the tap hole pin screwed in.
a1877 E. H. Knight Pract. Dict. Mech. II. 1465/1 Mold-board,..(Founding), a board on which the pattern lies while being rammed. A follow-board.
1920 B. L. Gray Foundry Work (rev. ed.) 9 Each size of flask should have at least one smooth straight board called the mold board, the size of outside dimensions of the flask.
1960 R. Lister Decorative Cast Iron Work in Great Brit. Gloss. 231 Mould board, the board on which the flask is placed in making a mould.
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society > occupation and work > equipment > building and constructing equipment > [noun] > equipment for concrete construction > mould > part of
mould-board1881
1881 F. Young Every Man his own Mechanic §1251 These mould-boards should be of good pine wood, not less than 1 in. in thickness.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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