breast-shotadj.n.

Brit.

/ˈbrɛstʃɒt/, U.S.

/ˈbrɛs(t)ˌʃɑt/

Origin: Formed within English, by compounding. Etymons: breast n., overshot adj.¹, undershot adj.

Etymology: < breast n. + -shot (in overshot adj.¹ and undershot adj.). Compare earlier breast mill n. at breast n. Compounds 2 and breast wheel n.

Now chiefly historical.

1. Of a waterwheel: driven by water striking it near the level of its axle (rather than from above or below). Occasionally also as n.: such a waterwheel. Cf. earlier breast wheel n.Contrasted with undershot and overshot wheels.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > driven by water

waterwheel1408

flood-wheel1515

breast wheel1744

overshot1760

undershot wheel1760

breast-shot1775

bucket-wheel1797

tub-wheel1815

flutter-wheel1817

danaide1825

wheel1842

reaction waterwheel1847

reaction wheel1852

tide-wheel1864

hurdy-gurdy1868

stream-wheel1875

paddle wheela1884

Pelton1885

turbine-pump1900

1775 F. Forbes Misc. Diss. Rural Subj. 346 And if the water falls upon the wheel on the inside, near to, or a little above the center, it is called a breastshot-wheel.

1801 C. Coote Gen. View Agric. & Manuf. Queen's County 105 The wheel of this factory is breast shot, and very well supplied.

1874 Eng. Mechanic & World of Sci. 20 Nov. 204/1 If he will..allow enough head to give the water a velocity a little greater than that of his wheel, he will find that his breast-shot wheel will give more power than an over-shot wheel in the place of it.

1898 G. S. Mitchell Handbk. Land Drainage (ed. 2) 44 The Breastshot also necessitates a large supply of water, and is used where there is a moderate fall.

1902 J. Duncan Appl. Mech. for Beginners xviii. 280 In breast-shot wheels the water enters the buckets half-way up and remains in them until the bottom of the wheel is nearly reached, when it is spilled out.

1919 C. P. Lawrence Econ. Farm Buildings xxiii. 142 When the fall is slight or moderate and the volume large, an undershot or breast-shot wheel is used.

2018 J. Ling Windmills & Watermills Suffolk (e-book ed.) The breast-shot wheel's water came onto the wheel at axle level, though variations included high and low breast-shots.

2. Of a mill: using a breast-shot wheel. Cf. earlier breast mill n. at breast n. Compounds 2.

ΚΠ

1775 F. Forbes Misc. Diss. Rural Subj. 363 But the improvement would be still greater, if this was made a breastshot-mill.

1801 C. Coote Gen. View Agric. & Manuf. Queen's County 86 Near to Cartown is Lacka, where there is erected a breast-shot rape mill.

2013 K. Taylor Exploring Notts. xxiii. The 'breastshot' mill, by contrast, was designed so that the mill wheel turned in an anti-clockwise direction.

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

单词	breast-shot
释义	breast-shotadj.n. Brit. /ˈbrɛstʃɒt/, U.S. /ˈbrɛs(t)ˌʃɑt/ Origin: Formed within English, by compounding. Etymons: breast n., overshot adj.¹, undershot adj. Etymology: < breast n. + -shot (in overshot adj.¹ and undershot adj.). Compare earlier breast mill n. at breast n. Compounds 2 and breast wheel n. Now chiefly historical. 1. Of a waterwheel: driven by water striking it near the level of its axle (rather than from above or below). Occasionally also as n.: such a waterwheel. Cf. earlier breast wheel n.Contrasted with undershot and overshot wheels. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > driven by water waterwheel1408 flood-wheel1515 breast wheel1744 overshot1760 undershot wheel1760 breast-shot1775 bucket-wheel1797 tub-wheel1815 flutter-wheel1817 danaide1825 wheel1842 reaction waterwheel1847 reaction wheel1852 tide-wheel1864 hurdy-gurdy1868 stream-wheel1875 paddle wheela1884 Pelton1885 turbine-pump1900 1775 F. Forbes Misc. Diss. Rural Subj. 346 And if the water falls upon the wheel on the inside, near to, or a little above the center, it is called a breastshot-wheel. 1801 C. Coote Gen. View Agric. & Manuf. Queen's County 105 The wheel of this factory is breast shot, and very well supplied. 1874 Eng. Mechanic & World of Sci. 20 Nov. 204/1 If he will..allow enough head to give the water a velocity a little greater than that of his wheel, he will find that his breast-shot wheel will give more power than an over-shot wheel in the place of it. 1898 G. S. Mitchell Handbk. Land Drainage (ed. 2) 44 The Breastshot also necessitates a large supply of water, and is used where there is a moderate fall. 1902 J. Duncan Appl. Mech. for Beginners xviii. 280 In breast-shot wheels the water enters the buckets half-way up and remains in them until the bottom of the wheel is nearly reached, when it is spilled out. 1919 C. P. Lawrence Econ. Farm Buildings xxiii. 142 When the fall is slight or moderate and the volume large, an undershot or breast-shot wheel is used. 2018 J. Ling Windmills & Watermills Suffolk (e-book ed.) The breast-shot wheel's water came onto the wheel at axle level, though variations included high and low breast-shots. 2. Of a mill: using a breast-shot wheel. Cf. earlier breast mill n. at breast n. Compounds 2. ΚΠ 1775 F. Forbes Misc. Diss. Rural Subj. 363 But the improvement would be still greater, if this was made a breastshot-mill. 1801 C. Coote Gen. View Agric. & Manuf. Queen's County 86 Near to Cartown is Lacka, where there is erected a breast-shot rape mill. 2013 K. Taylor Exploring Notts. xxiii. The 'breastshot' mill, by contrast, was designed so that the mill wheel turned in an anti-clockwise direction. This entry has been updated (OED Third Edition, December 2020; most recently modified version published online December 2021). < adj.n.1775
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