Tress \Tress\, n. [OE. tresse, OF. trece, F. tresse, LL. tricia, fr. Gr. tri`cha threefold, because a tress is usually formed by interlacing three pieces; akin to trei^s three. See {Three}.] 1. A braid, knot, or curl, of hair; a ringlet. [1913 Webster] Her yellow hair was braided in a tress. --Chaucer. [1913 Webster] Fair tresses man's imperial race insnare. --Pope. [1913 Webster] 2. Fig.: A knot or festoon, as of flowers. --Keats. [1913 Webster]