Englishfor English speakers
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
nail
Noun
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A nail is a small, long, thin sharp metal thing for holding wood together. People put it into the wood by hitting it with a hammer.
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A nail is the thick, hard part at the ends of fingers and toes.
I broke the top off my finger nail and it was very painful.
nail
Verb
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If you nail something to something else, you use a nail to join them.
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When someone gets an idea just right, we say they nailed it or "hit the nail on the head".
I think you've nailed the reason why this isn't working.
biter
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noun
someone who bites