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
Cite this Entry
“Lattice.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lattice. Accessed 2 Sep. 2026.
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