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[lat-is] /ˈlæt ɪs/
a structure of crossed wooden or metal strips usually arranged to form a diagonal pattern of open spaces between the strips.
a window, gate, or the like consisting of such a structure.
Physics. the structure of fissionable and nonfissionable materials geometrically arranged within a nuclear reactor.
Also called Bravais lattice, crystal lattice, space lattice. Crystallography. an arrangement in space of isolated points (lattice points) in a regular pattern, showing the positions of atoms, molecules, or ions in the structure of a crystal.
Mathematics. a partially ordered set in which every subset containing exactly two elements has a greatest lower bound or intersection and a least upper bound or union.
verb (used with object), latticed, latticing.
to furnish with a lattice or latticework.
to form into or arrange like latticework.
Origin of lattice
1350-1400; Middle English latis < Middle French lattis, derivative of latte lath < Germanic; see lath
Related forms
latticelike, adjective
1. trellis, grille, screen, grid. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for lattice
Contemporary Examples
Historical Examples
  • Better even than the ordinary wire net, an artistic screen of lattice work or trellis can be erected.

    Making a Tennis Court George E. Walsh
  • Then, opening her lattice, she flew on to the terrace and dropped the sword into the river.

  • The centre basket in this sampler is worked in lines of chain-stitching crossing each other lattice fashion.

  • Take me back to-morrow evening, and place me on the pillar by the lattice.

  • There is a beautiful reja here (lattice or grating) by Bartolom, and the altar is adorned with statues of Ferdinand and Isabella.

    Old Continental Towns Walter M. Gallichan
  • The sun was streaming in through the lattice of his bedroom.

  • Wide she opened her lattice window and, leaning out, she hearkened to the song of the gay goshawk.

    Stories from the Ballads Mary MacGregor
British Dictionary definitions for lattice


Also called latticework. an open framework of strips of wood, metal, etc, arranged to form an ornamental pattern
  1. a gate, screen, etc, formed of such a framework
  2. (as modifier): a lattice window
something, such as a decorative or heraldic device, resembling such a framework
an array of objects or points in a periodic pattern in two or three dimensions, esp an array of atoms, ions, etc, in a crystal or an array of points indicating their positions in space See also Bravais lattice
to make, adorn, or supply with a lattice or lattices
Derived Forms
latticed, adjective
Word Origin
C14: from Old French lattis, from lattelath
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 lattice

c.1300, from Old French latiz "lattice," from late "lath, board, plank, batten" (Modern French latte), from Frankish or some other Germanic source, cf. Old High German latta "lath;" see lath).

Online Etymology Dictionary, © 2010 Douglas Harper
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lattice in Science
A set of points that, when joined together, form the geometric shape of a mineral crystal. The lattice of the mineral halite, for example, is in the shape of a cube. See more at crystal.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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