pentroughn.

Brit.

/ˈpɛntrɒf/, U.S.

/ˈpɛnˌtrɔf/,

/ˈpɛnˌtrɑf/

Forms: 1700s– pentrough, 1800s– pentrow (English regional (Yorkshire)).

Origin: Formed within English, by compounding. Etymons: pen n.², trough n.

Etymology: < pen n.² + trough n.

Now chiefly historical.

A trough, channel, or conduit, usually made of wooden boards, for conveying water from a weir, dam, etc., to the top of the wheel in a watermill. Cf. penstock n.¹, pen n.² 2.

ΘΚΠ

the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water

water leatOE

water lade1224

leat1279

watergang1293

sow1316

trough1398

wissinga1400

lanec1420

waterway1431

water leasow1440

watercoursea1450

fleam1523

lead1541

cut1548

aqueducta1552

lake1559

strand1565

race1570

channel1581

watergauge1597

gout1598

server1610

carriage1669

runnel1669

aquage1706

shoot1707

tewel1725

run1761

penstock1763

hulve1764

way-gang1766

culvert1774

flume1784

shute1790

pentrough1793

raceway1793

water carriage1793

carrier1794

conductor1796

water carrier1827

penchute1875

chute1878

by-cut1883

1793 Trans. Soc. Arts 11 163 A Pentrough for equalizing the water falling on water-wheels.

1853 J. Glynn Treat. Power Water 43 There is a sluice to regulate the supply at top, fixed in the pentrough, and another at bottom which regulates the expenditure.

1897 Yorks. Weekly Post 6 Aug. in Eng. Dial. Dict. (1903) IV. 471/1 Caught between the iron buckets of the wheel and the iron front of the pen trough.

1947 Sussex County Mag. Mar. 80/2 The pentrough is iron, fed by a pipe and also enclosed.

1985 Bateman's, E. Sussex (National Trust) (rev. ed.) 34 Notice the great waterwheel below the mill dam, and above it the ‘pentrough’.

1992 C. Giles & I. H. Goodall Yorks. Textile Mills iv. 133/2 Flow to the turbine was most efficiently contrived by the use of pipes rather than by a simple fall from a pentrough.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pentrough
释义	pentroughn. Brit. /ˈpɛntrɒf/, U.S. /ˈpɛnˌtrɔf/, /ˈpɛnˌtrɑf/ Forms: 1700s– pentrough, 1800s– pentrow (English regional (Yorkshire)). Origin: Formed within English, by compounding. Etymons: pen n.², trough n. Etymology: < pen n.² + trough n. Now chiefly historical. A trough, channel, or conduit, usually made of wooden boards, for conveying water from a weir, dam, etc., to the top of the wheel in a watermill. Cf. penstock n.¹, pen n.² 2. ΘΚΠ the world > the earth > water > rivers and streams > stream > [noun] > channel for conveyance of water water leatOE water lade1224 leat1279 watergang1293 sow1316 trough1398 wissinga1400 lanec1420 waterway1431 water leasow1440 watercoursea1450 fleam1523 lead1541 cut1548 aqueducta1552 lake1559 strand1565 race1570 channel1581 watergauge1597 gout1598 server1610 carriage1669 runnel1669 aquage1706 shoot1707 tewel1725 run1761 penstock1763 hulve1764 way-gang1766 culvert1774 flume1784 shute1790 pentrough1793 raceway1793 water carriage1793 carrier1794 conductor1796 water carrier1827 penchute1875 chute1878 by-cut1883 1793 Trans. Soc. Arts 11 163 A Pentrough for equalizing the water falling on water-wheels. 1853 J. Glynn Treat. Power Water 43 There is a sluice to regulate the supply at top, fixed in the pentrough, and another at bottom which regulates the expenditure. 1897 Yorks. Weekly Post 6 Aug. in Eng. Dial. Dict. (1903) IV. 471/1 Caught between the iron buckets of the wheel and the iron front of the pen trough. 1947 Sussex County Mag. Mar. 80/2 The pentrough is iron, fed by a pipe and also enclosed. 1985 Bateman's, E. Sussex (National Trust) (rev. ed.) 34 Notice the great waterwheel below the mill dam, and above it the ‘pentrough’. 1992 C. Giles & I. H. Goodall Yorks. Textile Mills iv. 133/2 Flow to the turbine was most efficiently contrived by the use of pipes rather than by a simple fall from a pentrough. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1793
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