(ə, stressed ā) indefinite article or adjective
In each; to each; for each: twice a year; one dollar a bushel: equivalent to per. ♦ a, per A is preferred to per, except where per is required in business and statistical writing. [ OE an, on in, on, at; orig. a prep.]

(ə, stressed ā) indefinite article or adjective
One; any; some; each: before a vowel, an. See AN, ARTICLE.
Special uses: before plural nouns with few, great many, or good many; with on, at, or of, denoting oneness, sameness: birds of a feather; before proper names referring to the qualities or character of an individual: He is a Hercules in strength [ Reduced form of AN used before consonant sounds]

(ə, ä) v. Brit. Dial. Have.

(ā, ô, ə) pron. Brit. Dial.
He, she, it, they: an unstressed form.

prefix
On; in; at: aboard, asleep, agog, agoing. [ OE an, on in, on, at]

prefix
Used as an intensive or without added meaning: arise, abide. [OE ā-]

prefix
Of; from: athirst, akin, anew. [OE of off, of]

prefix
1. Without; not: achromatic.
2. Apart from; unconcerned with: amoral. See note under ALPHA PRIVATIVE. [ Reduced form of AN- used before consonant sounds]

Reduced var. of AB- before m, p, and v.

Reduced var. of AD- before sc, sp, and st.

1. A digraph of Latin origin, equivalent to Greek ai: sometimes retained in the spelling of Greek and Latin proper names and used in certain scientific terms.
2. A digraph in Old English, symbolizing the sound of a in hat. Also printed as ae.

(ā′ē′)
Pen name of George William Russell, 1867–1935. Irish poet and artist.