noun
indefinite article
A grammatical term referring to words like 'a' or 'an' in English, used to introduce a non-specific noun.
英語の不定冠詞には「a」と「an」がある。
English indefinite articles include 'a' and 'an'.
定冠詞 means 'definite article' (e.g., 'the'), while 不定冠詞 refers to the indefinite article.
Compound of 不定 (indefinite) and 冠詞 (article), a direct translation of the English grammatical term.