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A is a 1 letter word which starts with the letter A and ends with the letter A for which we found 5 definitions.

- The first letter of the English and of many other alphabets. The capital A of the alphabets of Middle and Western Europe as also the small letter (a) besides the forms in Italic black letter etc. are all descended from the old Latin A which was borrowed from the Greek Alpha of the same form; and this was made from the first letter (/) of the Phoenician alphabet the equivalent of the Hebrew Aleph and itself from the Egyptian origin. The Aleph was a consonant letter with a guttural breath sound that was not an element of Greek articulation; and the Greeks took it to represent their vowel Alpha with the a sound the Phoenician alphabet having no vowel symbols.
- The name of the sixth tone in the model major scale (that in C) or the first tone of the minor scale which is named after it the scale in A minor. The second string of the violin is tuned to the A in the treble staff. -- A sharp (A/) is the name of a musical tone intermediate between A and B. -- A flat (A/) is the name of a tone intermediate between A and G.
- An adjective commonly called the indefinite article and signifying one or any but less emphatically.
- In each; to or for each; as twenty leagues a day a hundred pounds a year a dollar a yard etc.
(prep.) In; on; at; by.

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