A | Mean of a in English Dictionary

/ˈeɪ/

• Noun
• the first letter of the English alphabet
1. a word that begins with an a
2. a word that begins with a
• a musical note or key referred to by the letter A
1. play/sing an A
2. a song in the key of A
• a grade that is given to a student for doing excellent work
1. She got an A on the exam.
2. He's an A student. [=a student who gets A's for his schoolwork]
• including everything
1. The book is titled “Home Repairs From A to Z.”
• from one place to another
1. I don't care about the scenery. I'm only interested in getting from A to B.
• one single
1. They didn't charge me a penny. [=they didn't charge me anything at all]
2. “Did she say anything about it?” “Not a word.”