a. Allowing passage in either of four directions; as, a four-way cock, or valve. Francis. [ 1913 Webster ]
Four-way cock, a cock connected with four pipes or ports, and having two or more passages in the plug, by which the adjacent pipes or ports may be made to communicate; formerly used as a valve in the steam engine, and now for various other purposes. In the illustration, a leads to the upper end of a steam engine cylinder, and b to the lower end; c is the steam pipe, and d the exhaust pipe. [ 1913 Webster ]
n. An intersection of two roads having stop signs at all four entry points. The usual rule for such intersections requires that those entering the intersection yield the right of way to vehicles entering before them. [ PJC ]
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