Definify.com
Webster 1913 Edition
Asterisk
As′ter-isk
,Noun.
The figure of a star, thus, [GREEK], used in printing and writing as a reference to a passage or note in the margin, to supply the omission of letters or words, or to mark a word or phrase as having a special character.
Webster 1828 Edition
Asterisk
AS'TERISK
,Noun.
The figure of a star thus, *, used in printing and writing as a reference to a passage or note in the margin, or to fill the space when a name is omitted.