/ Dictionary / Index E excelsior: Meaning and Definition of Find definitions for: ex•cel•si•or Pronunciation: (ik-sel'sē-ur, ek-), [key] — n. fine wood shavings, used for stuffing, packing, etc. a 3-point type: a size smaller than brilliant. ex•cel•si•or Pronunciation: (ek-sel'si-ōr" Eng. ik-sel'sē-ôr", ek-), [key] — adj. Latin. ever upward: motto of New York State. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: excelsior (Thesaurus) excellent Excelsior Springs Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language