a(n)

a or an; the indefinite article (when the initial sound of what will follow is unclear)

日本語の意味

不定冠詞

Please bring a(n) umbrella in case it rains.

雨が降るかもしれないので、念のため傘を一つ持ってきてください。

意味（1）

a or an; the indefinite article (when the initial sound of what will follow is unclear)

To be valid, a deed must contain a(n)

a. grantee's signature.

b. grantor's signature.

c. acknowledgment.

d. date.