What does "indefinite article" mean?

A word preceding a noun to indicate that the noun refers to any member of the class of objects named by the noun.

What is a synonym for "indefinite article"?

Common synonyms include: a course, a deadline, a prize, a school, address an envelope, aken.

noun

noun ·Uncommon ·Advanced level

Noun

1
A word preceding a noun to indicate that the noun refers to any member of the class of objects named by the noun.
"The English Indefinite Article, "a" or "an", is more frequently used that the Italian Indefinite Article, "un", "uno", "una"."
2
a determiner (as ‘a’ or ‘some’ in English) that indicates nonspecific reference wordnet

"The English Indefinite Article, "a" or "an", is more frequently used that the Italian Indefinite Article, "un", "uno", "una"."