/ Dictionary / Index S sublattice: Meaning and Definition of Find definitions for: sub•lat•tice Pronunciation: (sub'lat"is), [key] — n. Math. a set of elements of a lattice, in which each subset of two elements has a least upper bound and a greatest lower bound contained in the given set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sublapsarianism sublease Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language