breastboardn.

Brit.

/ˈbrɛs(t)bɔːd/, U.S.

/ˈbrɛs(t)ˌbɔrd/

Origin: Formed within English, by compounding. Etymons: breast n., board n.

Etymology: < breast n. + board n.

1. The mouldboard of a plough. Now rare.

ΘΚΠ

the world > food and drink > farming > tools and implements > ploughing equipment > [noun] > plough > mouldboard

reesteOE

shield-boardc1325

mouldbred1343

mouldboard1394

fenbrede?1523

breastboard1652

breastplate1652

earthboard1652

furrow-board1652

wrest1652

throwboard1725

ear1759

plat1765

mould-iron1807

turn-furrow1810

mould1859

moulding board1864

1652 W. Blith Eng. Improver Improved xxviii. 189 The Shield-board, some call Breast-board, or Earth-board, or Furrow-board.

1797 Communications to Board of Agric. I. 248 The lands are cultivated with a hoe, a spade, or a small plough, the construction of which is very simple, only one horse and without a breast-board.

1809 Pract. Norfolk Farmer (ed. 2) 145 (table) Breast board, hollowed at the bottom to receive the spindle that passes through the wheels.

1984 O. Riedl in O. Riedl & D. Zachar Forest Amelioration iv. 261 In the case of deep-ploughing, the furrow is specially formed by a modification to the breastboard of the last plough coulter.

2. Rope-making. A plank or board, placed at the end of a ropewalk, to which the ends of yarns or strands are attached to be twisted. Cf. tackle-board n. Now historical and rare.

ΚΠ

1796 Encycl. Brit. (Dublin ed.) XVI. 485/2 At the upper end of the walk is fixed up the tackle-board... This consists of a strong oaken plank called a breast-board, having three or more holes in it.

1850 Manuf. Ropes & Cordage 23 in Useful Arts & Manufactures Great Brit. 2nd Select. The three strands being all attached to one hook of the breast-board, and lying in the grooves of the top.

1987 D. H. Roberts tr. J. Boudriot Seventy-four Gun Ship III. xiv. 98 Heavers of a size appropriate to the rope being laid are inserted in the breast-board.

3. Mining. Any of a number of boards or planks placed across a mine face to prevent loose material from falling back into the tunnel. Usually in plural.

ΘΚΠ

society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > prop or support

crown tree1449

punch1462

prop1613

slider1653

sole1653

yoking1653

stow-blade1681

pit-bar1708

fork1747

head tree1747

studdle1758

lock piece1778

pit-prop1794

puncheon1815

stow-fork1824

plank tubbing1839

sprag1841

gib1847

chock1853

Tom1858

bratticing1866

pack1867

breastboard1877

brattice1881

wall-plate1881

strap1883

stretcher1883

1877 C. Le Neve Foster & W. Galloway tr. J. Callon Lect. Mining I. xi. 284 If the face has a tendency to fall, it is supported by breast boards stayed with struts.

1895 App. Jrnls. Senate & Assembly 31st Session Legislature Calif. V. 210 Breast boards and false sets have to be used with breasting gravel, and the lagging has to be kept driven up close.

1921 Salt Lake Tribune 29 Mar. 16/1 Many tons of the heavy ore ran down into the main drift before the caving rock could be caught up with breast boards and stulls.

1977 R. V. Proctor & T. L. White Earth Tunneling with Steel Supports xii. 120/2 This must be done before the top breast board can be removed and the face mined down, one board at a time, very carefully.

This entry has been updated (OED Third Edition, December 2020; most recently modified version published online December 2021).

单词	breastboard
释义	breastboardn. Brit. /ˈbrɛs(t)bɔːd/, U.S. /ˈbrɛs(t)ˌbɔrd/ Origin: Formed within English, by compounding. Etymons: breast n., board n. Etymology: < breast n. + board n. 1. The mouldboard of a plough. Now rare. ΘΚΠ the world > food and drink > farming > tools and implements > ploughing equipment > [noun] > plough > mouldboard reesteOE shield-boardc1325 mouldbred1343 mouldboard1394 fenbrede?1523 breastboard1652 breastplate1652 earthboard1652 furrow-board1652 wrest1652 throwboard1725 ear1759 plat1765 mould-iron1807 turn-furrow1810 mould1859 moulding board1864 1652 W. Blith Eng. Improver Improved xxviii. 189 The Shield-board, some call Breast-board, or Earth-board, or Furrow-board. 1797 Communications to Board of Agric. I. 248 The lands are cultivated with a hoe, a spade, or a small plough, the construction of which is very simple, only one horse and without a breast-board. 1809 Pract. Norfolk Farmer (ed. 2) 145 (table) Breast board, hollowed at the bottom to receive the spindle that passes through the wheels. 1984 O. Riedl in O. Riedl & D. Zachar Forest Amelioration iv. 261 In the case of deep-ploughing, the furrow is specially formed by a modification to the breastboard of the last plough coulter. 2. Rope-making. A plank or board, placed at the end of a ropewalk, to which the ends of yarns or strands are attached to be twisted. Cf. tackle-board n. Now historical and rare. ΚΠ 1796 Encycl. Brit. (Dublin ed.) XVI. 485/2 At the upper end of the walk is fixed up the tackle-board... This consists of a strong oaken plank called a breast-board, having three or more holes in it. 1850 Manuf. Ropes & Cordage 23 in Useful Arts & Manufactures Great Brit. 2nd Select. The three strands being all attached to one hook of the breast-board, and lying in the grooves of the top. 1987 D. H. Roberts tr. J. Boudriot Seventy-four Gun Ship III. xiv. 98 Heavers of a size appropriate to the rope being laid are inserted in the breast-board. 3. Mining. Any of a number of boards or planks placed across a mine face to prevent loose material from falling back into the tunnel. Usually in plural. ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > prop or support crown tree1449 punch1462 prop1613 slider1653 sole1653 yoking1653 stow-blade1681 pit-bar1708 fork1747 head tree1747 studdle1758 lock piece1778 pit-prop1794 puncheon1815 stow-fork1824 plank tubbing1839 sprag1841 gib1847 chock1853 Tom1858 bratticing1866 pack1867 breastboard1877 brattice1881 wall-plate1881 strap1883 stretcher1883 1877 C. Le Neve Foster & W. Galloway tr. J. Callon Lect. Mining I. xi. 284 If the face has a tendency to fall, it is supported by breast boards stayed with struts. 1895 App. Jrnls. Senate & Assembly 31st Session Legislature Calif. V. 210 Breast boards and false sets have to be used with breasting gravel, and the lagging has to be kept driven up close. 1921 Salt Lake Tribune 29 Mar. 16/1 Many tons of the heavy ore ran down into the main drift before the caving rock could be caught up with breast boards and stulls. 1977 R. V. Proctor & T. L. White Earth Tunneling with Steel Supports xii. 120/2 This must be done before the top breast board can be removed and the face mined down, one board at a time, very carefully. This entry has been updated (OED Third Edition, December 2020; most recently modified version published online December 2021). < n.1652
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