Englishfor English speakers
a
Determinative
—
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".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
backless
—
adjective
lacking a back
a stool is a backless and armless seat
skirt
Noun
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A skirt is a loose cloth that a woman uses to cover her legs; the lower part of a dress.
She has a blue skirt and a red shirt on.