Try Our Apps


Avoid these words. Seriously.


[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. 2018.
Cite This Source
Examples from the Web for lattice
Contemporary Examples
Historical Examples
  • And as Lee went to the lattice, he could see others, like guards outside.

    The World Beyond Raymond King Cummings
  • He flung him off, and sent him crashing into the rosebush and the lattice over which it rambled.

    The Sea-Hawk Raphael Sabatini
  • Got it hung on the lattice in my arbor in the garden down home in Maryland.

    Mixed Faces Roy Norton
  • He attempted to shake the iron bars of the lattice—they were firm in their sockets.

  • The room had a storm-window, of which the lattice stood open.

    David Elginbrod George MacDonald
  • She ran to the window at once and looked though the lattice into the square below.

    Balthasar Anatole France
  • I lay concealed and Babs stood at the lattice of our cage room.

    Beyond the Vanishing Point Raymond King Cummings
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
Cite This Source
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
Cite This Source
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.
Cite This Source

Word of the Day

Nearby words for lattice

Word Value for lattice

Scrabble Words With Friends