lattice
lat.tice \'lat-*s\ \-*st\ n [ME latis, fr. MF lattis] often attrib 1a: a
framework or structure of crossed wood or metal strips 1b: a window, door,
or gate having a lattice obs 1c: a lattice used as the sign of an
alehouse 2: a regular geometrical arrangement of points or objects over an
area or i n space : as 2a: SPACE LATTICE 2b: a geometrical arrangement of
fissionable material in a nuclear reactor 2c: a mathematical set that has
some elements ordered and that is such that for any two elements there
exists a least element greater than both and a greatest element less than
both - lattice vt