n.
All fours.
a. [ OE. four, fower, feower, AS. feówer; akin to OS. fiwar, D. & G. vier, OHG. fior, Icel. fjōrir, Sw. fyra, Dan. fire, Goth. fidwōr, Russ. chetuire, chetvero, W. pedwar, L. quatuor, Gr.
‖a. [ F. See Fork. ] (Her.) Having the ends forked or branched, and the ends of the branches terminating abruptly as if cut off; -- said of an ordinary, especially of a cross. [ 1913 Webster ]
‖n. [ F., dim. of fourche. See Fork. ]
a. Having four corners or angles. [ 1913 Webster ]
n. (Thermodynamics) A four-stroke cycle, as the Otto cycle, for an internal-combustion engine. --
n. A machine used in making paper; -- so named from an early inventor of improvements in this class of machinery. [ 1913 Webster ]
n. Four times as many or as much. [ 1913 Webster ]
a. & adv. [ AS. feówerfeold. ] Four times; quadruple;
He shall restore the lamb fourfold. 2 Sam. xii. 6. [ 1913 Webster ]