[n] framework consisting of an ornamental design made of strips of wood or metal
[n] small opening (like a window in a door) through which business can be transacted
[n] an arrangement of points or particles or objects in a regular periodic pattern in 2 or 3 dimensions
Misc. Definitions
\Lat"tice\, n. [OE. latis, F. lattis lathwork, fr. latte lath. See {Latten}, 1st {Lath}.]
1. Any work of wood or metal, made by crossing laths, or thin strips, and forming a network; as, the lattice of a window; -- called also {latticework}. The mother of Sisera looked out at a window, and cried through the lattice. --Judg. v. 2
8.
2. (Her.) The representation of a piece of latticework used as a bearing, the bands being vertical and horizontal. {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 {O. Berneriana}. The genus is merged in {Aponogeton} by recent authors.
\Lat"tice\, v. i. [imp. & p. p. {Latticed}; p. pr. & vb. n. {Latticing}.]
1. To make a lattice of; as, to lattice timbers.
2. To close, as an opening, with latticework; to furnish with a lattice; as, to lattice a window. {To lattice up}, to cover or inclose with a lattice. Therein it seemeth he [Alexander] hath latticed up C[ae]sar. --Sir T. North.