the world > animals > mammals > group Ungulata (hoofed) > family Equidae (general equines) > horse defined by purpose used for > [noun] > draught-horse > team of > horse as part of
yoke horse1804
yoke steed1840
1840 Penny Satirist 7 Mar. 3/1 The industrious ploughman urged his yoke steeds.
1880 L. WallaceBen-Hur 208 They termed the two next the pole yoke-steeds.