shoulder slingn.dialect a yoke for carrying (milk) pails.
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society > travel > transport > transport or conveyance by carrying > [noun] > by a person > yoke for carrying
yoke-stickeOE
yokea1630
neck yoke1688
bangy1789
shoulder sling1813
shoulder-yoke1862
sap yoke1878
sap neckyoke1905
1813 St. J. PriestAgric. Bucks 297 in W. Marshall Rev. Rep. to Board Agric. from Midland Dept. Eng. (1815) 545 [The milk is] carried home in pails hanging upon a wooden shoulder sling (as it is called).