[{"Bold_text": "noun", "List Items": ["a structure of crossed wooden or metal strips usually arranged to form a diagonal pattern of open spaces between the strips.Synonyms: grid , screen , grille , trellis", "a window, gate, or the like consisting of such a structure.", "Physics.the structure of fissionable and nonfissionable materials geometrically arranged within a nuclear reactor.", "Also called Bravais lattice Bravais lattice, crystal lattice crystal lattice, space lattice space lattice.Crystallography.an arrangement in space of isolated pointslat?tice points?in a regular pattern, showing the positions of atoms, molecules, or ions in the structure of a crystal.", "Mathematics.a partially ordered set in which every subset containing exactly two elements has a greatest lower bound or intersection and a least upper bound or union."]}, {"Bold_text": "verb (used with object)", "List Items": ["to furnish with a lattice or latticework .", "to form into or arrange like latticework ."]}]