lattice

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An open framework made of strips of metal, wood, or similar material overlapped or overlaid in a regular, usually crisscross pattern.
• noun A structure, such as a window, screen, or trellis, made of or containing such a framework.
• noun Something, such as a decorative motif or heraldic bearing, that resembles an open, patterned framework.
• noun A regular, periodic configuration of points, particles, or objects throughout an area or a space, especially the arrangement of ions or molecules in a crystalline solid.
• noun The spatial arrangement of fissionable and nonfissionable materials in a nuclear reactor.
• transitive verb To construct or furnish with a lattice or latticework.

from The Century Dictionary.

• To furnish with a lattice.
• To give the form or appearance of a lattice to.
• noun Work with open spaces formed by crossing, interlacing, or joining laths, bars, or rods of wood or metal.
• noun Anything made of or covered with strips interwoven so as to form a sortof network; specifically, a window, window-blind, or screen made of laths or strips which cross one another like network, so as to leave open interstices.
• noun In heraldry, a bearing representing a series of perpendicular and horizontal strips crossing one another over the field or a part of it.
• noun In textile-manuf., an apron or a conveyer made of laths or slats, and designed to carry material into a machine or from one machine to another.
• noun In mathematics, a net made of straight lines, vertical and horizontal, and inclosing rectangular compartments.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To make a lattice of.
• intransitive verb To close, as an opening, with latticework; to furnish with a lattice.
• intransitive verb to cover or inclose with a lattice.
• noun 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; ; -- called also latticework.
• noun (Her.) The representation of a piece of latticework used as a bearing, the bands being vertical and horizontal.
• noun (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.
• noun a bridge supported by lattice girders, or latticework trusses.
• noun (Arch.) a girder of which the wed consists of diagonal pieces crossing each other in the manner of latticework.
• noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A flat panel constructed with widely-spaced crossed thin strips of wood or other material, commonly used as a garden trellis.
• noun crystallography a regular spacing or arrangement of geometric points, often decorated with a motif.
• noun order theory A partially ordered set in which every pair of elements has a unique supremum and an infimum.
• noun group theory A discrete subgroup of Rn which spans the real vector space Rn.
• verb To make a lattice of.
• verb To close, as an opening, with latticework; to furnish with a lattice.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an arrangement of points or particles or objects in a regular periodic pattern in 2 or 3 dimensions
• noun framework consisting of an ornamental design made of strips of wood or metal
• noun small opening (like a window in a door) through which business can be transacted