Couple

kup′l, n. that which joins two things together: two of a kind joined together, or connected: two: one pair at a dance: a pair: esp. of married or betrothed persons: ( statics ) a pair of equal forces acting on the same body in opposite and parallel directions.— v.t. to join together.— v.i. to pair sexually.— ns. Coup′lement , union: a couple; Coup′ler , one who or that which couples or unites; Coup′let , two lines of verse that rhyme with each other; Coup′ling , that which connects, an appliance for transmitting motion in machinery; Coup′ling-box , the box or ring of metal connecting the contiguous ends of two lengths of shafts; Coup′ling-pin , a pin or bolt used in coupling machinery.— adj. Well-coupled , of a horse, well formed at the part where the back joins the rump. [O. Fr. cople —L. copula .]