n.
Rule of three. (Arith.)
a. [ OE. þre, þreo, þri, AS. þrī, masc., þreó, fem. and neut.; akin to OFries. thre, OS. thria, threa, D. drie, G. drei, OHG. drī, Icel. þrīr, Dan. & Sw. tre, Goth. þreis, Lith. trys, Ir., Gael. & W. tri, Russ. tri, L. tres, Gr.
Three solemn aisles approach the shrine. Keble. [ 1913 Webster ]
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a. (Arch.) Having or consisting of three coats; -- applied to plastering which consists of pricking-up, floating, and a finishing coat; or, as called in the United States, a scratch coat, browning, and finishing coat. [ 1913 Webster ]
a. Designating, or pert. to, a photomechanical process employing printings in three colors, as red, yellow, and blue. [ Webster 1913 Suppl. ] [ 1913 Webster ]
a.
n. (Naut.) A vessel of war carrying guns on three decks. [ 1913 Webster ]
a. (Bot.) Bearing three flowers together, or only three flowers. [ 1913 Webster ]
a. [ OE. þreofald; cf. AS. þrīfeald. ] Consisting of three, or thrice repeated; triple;
A threefold cord is not quickly broken. Eccl. iv. 12. [ 1913 Webster ]
a. Said of games or contests where three persons play against each other, or two against one;
Three-leaved nightshade.