pump rodn.
/ˈpʌmp ˌrɒd/, U.S. /ˈpəmp ˈrɑd/ Mechanics.
A rod connecting the piston or plunger of a pump with the motive power.
ΘΚΠ
society > occupation and work > equipment > pump > [noun] > other parts of pumps
pump box1422
pump-staff1422
pump-tree1617
branch1659
pump rod1731
pear-gauge1753
barometer-gauge1783
bucket-door1797
head1824
balance-bob1838
suction primer1875
cup-leather1889
airline1893
1731 S. Williams Exper. Hist. Road Water Wilts. 13 The Pump Rod grows black, and is corroded in a Year's Time.
1755 J. Smeaton Diary 20 June in Journey to Low Countries (1938) 9 It was a water crank Engine which moved crooked leavers for lifting up the pump rods.
1864 S. Smiles Industr. Biogr. xi. 241 Pumprods were attached to this hydraulic apparatus, which were carried to the bottom of the shaft, and each worked a pump at different levels, raising the water stage by stage to the level of the main adit.
1897 J. Conrad Nigger of ‘Narcissus’ iv. 63 The pump-rods, clanking, stamped in short jumps, while the fly-wheels turned smoothly.
1909 R. Kipling With Night Mail 22 A tiny pump-rod wheezing and whining to itself beside a sputtering green lamp.
1968 J. Passini Weber Carburettors: Pt. 1 (1973) iv.39 A small collar can be fitted round the pump rod to limit the length of stroke.
1994 M. Palmer & P. Neaverson Industry in Landscape iii. 52 In Scotland, the main beam and pump rod still protrude from the remains of the engine house built in 1854 at Devon Colliery in the old Clackmannanshire coalfield.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2022).
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n.1731