Englishfor English speakers
fin
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noun
a stabilizer on a ship that resembles the fin of a fish
—
noun
organ of locomotion and balance in fishes and some other aquatic animals
—
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
back
Preposition
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Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
—
The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
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The back is the rear part of the human body.
He had a scar on his back.
back
Verb
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If you back something, you support it.
The Republicans backed the bill.
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If you back up, you move backward.
He put the car in gear and backed right into the garage door.