trellis
1. trel.lis \'trel-*s\ n [ME trelis, fr. MF treliz fabric of coarse weave, trellis, fr. (ass]umed) VL trilicius woven with triple thread, fr. L tri- + liceum thread 1: a frame of latticework 2: a construction of latticework 3: an arrangement that forms a lattice 2. trellis vt 1: to provide with a trellis; esp : to train (as a vine) on a trel lis 2: to cross or interlace on or through : INTERWEAVE