asterisk Definition

the character used in printing or writing as a reference mark, as an indication of the omission of letters or words, to denote a hypothetical or unattested linguistic form, or for various arbitrary meanings

the character thought of as being appended to something (such as an athletic accomplishment included in a record book) typically in order to indicate that there is a limiting fact or consideration which makes that thing less important or impressive than it would otherwise be

someone or something considered too minor for prominent mention : footnote

to mark with an asterisk : star