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".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
fin
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noun
a stabilizer on a ship that resembles the fin of a fish
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noun
organ of locomotion and balance in fishes and some other aquatic animals
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verb
equip (a car) with fins
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verb
propel oneself through the water in a finning motion
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verb
show the fins above the water while swimming
The sharks were finning near the surface
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noun
(= flipper)
a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
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noun
(= louver)
one of a set of parallel slats in a door or window to admit air and reject rain
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noun
(= tail fin)
one of a pair of decorations projecting above the rear fenders of an automobile
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noun
(= five)
the cardinal number that is the sum of four and one
DE
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noun
(= Delaware)
a Mid-Atlantic state; one of the original 13 colonies