| Definition -
Another name for the adjectives a and an and their equivalents in other languages.
1. It indicates a non-defined member of the species denoted by the noun (e.g. a black horse).
Etymology - The term article derives from the Latin articulus, the diminutive of artus, a joint.
Oxford English Dictionary - Its first citation is from 1727:
"The article a is said to be indefinite, because applied to names taken in their more general, and confused signification."
(Chambers Cycl. s.v. Article)