From Longman Dictionary of Contemporary Englishtrellistrel‧lis /ˈtrelɪs/ noun [countable] DLGa frame made of long narrow pieces of wood that cross each other, used to support climbing plants
Examples from the Corpus
trellis• Never put a trellis behind it to support its growth.• You may be able to accommodate this bending by tying in to a longish pergola or trellis on a wall or fence.• Espalier: A shrub or fruit tree trained to grow flat against a wall or trellis.• If lacking, these aspects can easily be created using fence panels, trellis or planting.• The planking and the underlying ribs thus formed a rectangular trellis with no diagonal bracing or shear members.• A simple trellis entwined with flowers on a platform at the end of the dining hall was Illyria.• A robin came to perch on the trellis, only an arm's distance away.• They walked together through the trellis arch into the back garden.Origin trellis (1300-1400) Old French treliz “roughly woven cloth, trellis”, from Vulgar Latin trilicius “woven with three threads”, from Latin tri- “three” + licium “thread” 