Webster’s Revised Unabridged Dictionary · 1913
Excelsior
Ex·cel′si·or, a. [L., compar. of excelsus elevated, lofty, p. p. of excellere. See Excel, v. t.] More lofty; still higher; ever upward.
Ex·cel′si·or, n. A kind of stuffing for upholstered furniture, mattresses, etc., in which curled shreds of wood are substituted for curled hair.