Learn how to say Trellising correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word trellis:
a framework of light wooden or metal bars used as a support for fruit trees or creepers, typically fastened against a wall.
verb (trellises, trellising, trellised)
[with object] (usually as adjective trellised)
provide with or enclose in a trellis:
a trellised archway
support (a climbing plant) with a trellis.
late Middle English (denoting any latticed screen): from Old French trelis, from Latin trilix ‘three-ply’, from tri- ‘three’ + licium ‘warp thread’. Current senses date from the early 16th century