From Middle English latis, from Middle French lattis (“lathing”), from Old French lattis, from latte (“a lath”), from Frankish *latta (“a lath”), from Proto-Germanic *lattō(n), *laþþō(n), *laþēn (“lath, board”), from Proto-Indo-European *(s)lat- (“beam, log”). Cognate with Old High German latta (German Latte, “lath”), Old English lætt (“lath”), Middle Low German lāde (“plank, counter, sales counter”), German Laden (“shop”). More at lath.
lattice (plural lattices)
- A flat panel constructed with widely-spaced crossed thin strips of wood or other material, commonly used as a garden trellis.
- (crystallography) a regular spacing or arrangement of geometric points, often decorated with a motif.
- (order theory) A partially ordered set in which every pair of elements has a unique supremum and an infimum.
- (group theory) A discrete subgroup of Rn which spans the real vector space Rn.
- (algebra) partially ordered set
Derived terms 
- Boolean lattice
- complete lattice
- crystal lattice
- distributive lattice
- lattice energy
- lattice window
- space lattice
- lattice point
See also 
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.
- To make a lattice of.
- to lattice timbers
- To close, as an opening, with latticework; to furnish with a lattice.
- to lattice a window
- lattice in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- lattice in The Century Dictionary, The Century Co., New York, 1911
- Lattice on Wikimedia Commons. Wikimedia Commons
lattice m (plural lattici)