A-e Definition

letter

The first letter of the English alphabet, called a and written in the Latin script.

Apple starts with A.
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numeral

The ordinal number first, derived from this letter of the English alphabet, called a and written in the Latin script.

The item A is "foods", the item B is "drinks".
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symbol
The highest rank on any of various scales that assign letters.
We assign each item inspected a rating from A through G, depending on various factors.
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(education) The highest letter grade assigned (disregarding plusses and minuses).
I was so happy to get an A on that test.
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(music) A tone three fifths above C in the cycle of fifths; the sixth tone of the C major scale; the first note of the minor scale of A minor; the reference tone that occurs at exactly 440 Hz; the printed or written note A; the scale with A as its keynote.

Orchestras traditionally tune to a concert A.
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(medicine) A blood type that has a specific antigen that aggravates the immune response in people with type B antigen in their blood. They may receive blood from type A or type O, but cannot receive blood from AB or B.

My blood type is A negative.
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(chemistry) Mass number.
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abbreviation
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Adult; as used in film rating.

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(physics) Angstrom.

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noun

Euphemistic spelling of arse.

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Origin of A-e

  • From Middle English and Old English upper case letter A and split of Middle English and Old English upper case letter Æ.

    From Wiktionary