1
a
: a framework or structure of crossed wood or metal strips
b
: a window, door, or gate having a lattice
c
: a network or design resembling a lattice
2
: a regular geometrical arrangement of points or objects over an area or in space
specifically
: the arrangement of atoms in a crystal
3
: a mathematical set that has some elements ordered and that is such that for any two elements there exists a greatest element in the subset of all elements less than or equal to both and a least element in the subset of all elements greater than or equal to both
lattice
transitive verb
Examples of lattice in a Sentence
Recent Examples on the Web
The High Thermal Performance (HTP) platform is used for various reactor lattice types in the United States and Europe.
—
Aman Tripathi, Interesting Engineering, 26 Apr. 2026
The track is held up 127 feet in the air by a lattice of wooden beams painted white.
—Joseph States, Chicago Tribune, 24 Apr. 2026
Designed by Skidmore, Owings & Merrill (SOM), the building will be defined by an external steel lattice that forms part of its structural system.
—Adam Williams
april 21, New Atlas, 21 Apr. 2026
It's set on the National Mall in a building wrapped in bronze lattice—a nod to traditional craftsmanship—and features exhibits on everything from Black history and culture to art, language, and food.
—Evie Carrick, Travel + Leisure, 19 Apr. 2026
See All Example Sentences for lattice
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Aman Tripathi, Interesting Engineering, 26 Apr. 2026
The track is held up 127 feet in the air by a lattice of wooden beams painted white.
—Joseph States, Chicago Tribune, 24 Apr. 2026
Designed by Skidmore, Owings & Merrill (SOM), the building will be defined by an external steel lattice that forms part of its structural system.
—Adam Williams
april 21, New Atlas, 21 Apr. 2026
It's set on the National Mall in a building wrapped in bronze lattice—a nod to traditional craftsmanship—and features exhibits on everything from Black history and culture to art, language, and food.
—Evie Carrick, Travel + Leisure, 19 Apr. 2026
See All Example Sentences for lattice
Cite this Entry
“Lattice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lattice. Accessed 30 Apr. 2026.
Copy CitationKids Definition
Medical Definition
lattice
noun
lat·tice
ˈlat-əs 
: a regular geometrical arrangement of points or objects over an area or in space: as
a
: the geometrical arrangement of atoms in a crystal
called also space lattice
b
: a geometrical arrangement of fissionable material in a nuclear reactor
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