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[trel-is] /ˈtrɛl ɪs/
a frame or structure of latticework; lattice.
a framework of this kind used as a support for growing vines or plants.
a summerhouse, gazebo, arch, etc., made chiefly or completely of latticework.
Heraldry. a charge of bendlets overlying bendlets sinister, the whole being cloué at the crossings.
verb (used with object)
to furnish with a trellis.
to enclose in a trellis.
to train or support on a trellis.
to form into or like a trellis.
1350-1400; Middle English trelis < Middle French (noun) < Late Latin trilīcius (for Latin trilīx) woven with three threads, equivalent to Latin tri- tri- + līci(um) thread + -us adj. suffix Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for trellis
  • Make a sturdy trellis for tomatoes or beans out of locust or cedar branches.
  • The trellis underpinning such rosy reckonings is a booming world economy awash with cheap money.
  • The box is surrounded by that gorgeous steel trellis frame.
  • Another high trellis near the roofline of the house further defines the entrance.
  • The x's and o's of the trellis symbolize hugs and kisses.
  • He had already finished building a trellis out of sections of television.
  • Espaliers are woody plants trained to grow flat against a trellis or other support.
  • Plant a few moonflowers about the garden to scramble up a fence or trellis.
  • And underneath the deck, he's going to install the same trellis material that's on the bottom staircase.
  • The backyard is perfect for relaxing with a stone patio and trellis.
British Dictionary definitions for trellis


a structure or pattern of latticework, esp one used to support climbing plants
an arch made of latticework
verb (transitive)
to interweave (strips of wood, etc) to make a trellis
to provide or support with a trellis
Derived Forms
trellis-like, adjective
Word Origin
C14: from Old French treliz fabric of open texture, from Late Latin trilīcius woven with three threads, from Latin tri- + līcium thread
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for trellis

c.1400, "lattice, grating," from Old French trelis, originally "sackcloth," from Vulgar Latin *trilicius, from Latin trilicis, genitive of trilix "having three threads, triple-twilled," from tri- three + licium "thread." Cognate with Greek trimitos. Sense extended in Old French to things "woven" of iron, etc., which brought on influence of Old French treille "vine trellis," perhaps from Latin trichila "bower, arbor," which is apparently from Latin triclinium "couch extending round three sides of a table" (for reclining on at meals). Meaning "lattice used to support growing vines" is from 1510s.

Online Etymology Dictionary, © 2010 Douglas Harper
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trellis in Technology

1. An object-oriented language from the University of Karlsruhe(?) with static type-checking and encapsulation.
2. An object-oriented application development system from DEC, based on the Trellis language. (Formerly named Owl).
E-mail: Jerry Smith
["Persistent and Shared Objects in trellis/owl", P. O'Brien et al, Proc 1986 IEEE Workshop on Object-Oriented Database Systems, IEEE, NY 1986].
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Encyclopedia Article for trellis

framework on which trees and climbing plants are trained. It is usually constructed of long, narrow wood or metal slats that are crisscrossed to produce square or diamond-shaped spaces.

Learn more about trellis with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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