tongue-oxenn. (plural) the pair of oxen harnessed to the tongue of a plough, etc.
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the world > animals > mammals > group Ungulata (hoofed) > group Ruminantia (sheep, goats, cows, etc.) > bos taurus or ox > [noun] > working > for ploughing > team of > particular members of
tongue-oxen1851
1851 Harper's Mag. Sept. 518 It would be impossible for the tongue-oxen to resist the pressure of the load.