*lattice*

n. [ OE. latis, F. lattis lathwork, fr. latte lath. See Latten, 1st Lath. ] 1. Any work of wood, metal, plastic, or other solid material, made by crossing a series of parallel laths, or thin strips, with another series at a diagonal angle, and forming a network with openings between the strips; as, the lattice of a window; -- called also latticework. [ 1913 Webster ]

The mother of Sisera looked out at a window, and cried through the lattice. Judg. v. 28. [ 1913 Webster ]

2. (Her.) The representation of a piece of latticework used as a bearing, the bands being vertical and horizontal. [ 1913 Webster ]

3. (Crystallography) The arrangement of atoms or molecules in a crystal, represented as a repeating arrangement of points in space, each point representing the location of an atom or molecule; called also crystal lattice and space lattice. [ PJC ]

Lattice bridge, a bridge supported by lattice girders, or latticework trusses. --
Lattice girder (Arch.), a girder of which the wed consists of diagonal pieces crossing each other in the manner of latticework. --
Lattice plant (Bot.), an aquatic plant of Madagascar (Ouvirandra fenestralis), whose leaves have interstices between their ribs and cross veins, so as to resemble latticework. A second species is Ouvirandra Berneriana. The genus is merged in Aponogeton by recent authors. [ 1913 Webster ]