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
—
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.
hero
Noun
—
Your hero is a person you greatly admire. This may also be someone you want to be similar to.
Leonardo DaVinci used to be my hero.
—
Your hero is someone who saves or defends you.
"Oh, my hero!" she said to her rescuer.
—
A hero is the main character in a story or film (movie).
A female hero is a heroine.
—
Short for hero sandwich.
—
A good person with special powers; a superhero.