an arrangement of points or particles or objects in a regular periodic pattern in 2 or 3 dimensions
"The crystallographer mapped the lattice to visualize how atoms are arranged in a regular, repeating three-dimensional pattern."
framework consisting of an ornamental design made of strips of wood or metal
"The conservatory features a delicate lattice on its windows, crafted from thin strips of painted wood in an intricate floral pattern."
A flat panel constructed with widely-spaced crossed thin strips of wood or other material, commonly used as a garden trellis.
"The gardener leaned against the lattice to support his climbing roses."
In plain English: A lattice is an open framework made of strips crossing each other to form a patterned design.
"The vine grew quickly over the wooden lattice on the garden wall."
Usage: Use lattice to describe the crisscrossed wooden panels often found on fences or walls for supporting climbing plants. Do not confuse this structural grid with an openwork framework made entirely of metal bars unless it shares that specific flat panel design.
To make a lattice of.
"The workers planned to lattice the windows with decorative wooden strips before winter arrived."
The word lattice comes from the Frankish and Proto-Germanic words for a board or plank. It entered English through French to describe an open framework made of crossed strips.