n.
Pronunciation: ' tre-l ə s
Function: noun
Etymology: Middle English trelis, from Anglo-French treleis, from Old French treille arbor, from Latin trichila summerhouse
Date: 14th century
1 : a frame of latticework used as a screen or as a support for climbing plants
2 : a construction (as a summerhouse) chiefly of latticework
3 : an arrangement that forms or gives the effect of a lattice <a trellis of interlacing streams>
– trel · lised \ ' tre-l ə st \ adjective
trellis 1