Definition of "submarine"
adjective:
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Under water.
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Hidden or undisclosed.
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noun:
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A boat that can go underwater.
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A kind of sandwich made in a long loaf of bread.
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Pitch delivered with an underhand motion.
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Any submarine plant or animal.
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A stowaway on a seagoing vessel.
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verb:
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To operate or serve on a submarine.
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To torpedo; to destroy with a sudden sneak attack.
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