A-e Definition
letter
numeral
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.
Wiktionary
(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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Orchestras traditionally tune to a concert A.
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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