- The definition of excelsior is shavings of wood used as packing material.
An example of excelsior is the packing material used to protect fine paintings during shipment.
A gift box filled with excelsior.
excelsior definition by Webster's New World
Origin: Classical Latin comparative of excelsus, lofty, high ; from past participle of excellere, excel: excelsior ; from origin, originally use as trademark
excelsior definition by American Heritage Dictionary
Origin: Originally a trademark.