TRELLIS

I. noun Etymology: Middle English trelis, from Anglo-French treleis, from Old French treille arbor, from Latin trichila summerhouse Date: 14th century a frame of latticework used as a screen or as a support for climbing plants, a construction (as a summerhouse) chiefly of latticework, an arrangement that forms or gives the effect of a lattice , ~ed adjective II. transitive verb Date: 15th century to provide with a ~, to cross or interlace on or through ; interweave