Third-person singular simple present indicative form of trellis.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "trellises" in a sentence
"Those small trees just below the barnyard fence are pears, Bartlett pears, luscious ones! and those vines on the trellises are the Isabella and Concord grapes; some years grapes don't get ripe up here in Maine; but they did last year, pretty ripe, in October."
"Hence, now is the time to think about garden structures such as trellises and arbors that can be installed before planting begins."
"Its lawn and garden group offers an array of products, such as trellises and arches, to retailers nationwide."