01 n. A cavern in a cliff, at the water level, opening to the air at its farther extremity, so that the waters rush in with each surge and rise i…
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1.
A cavern in a cliff, at the water level, opening to the air at its farther extremity, so that the waters rush in with each surge and rise in a lofty jet from the extremity.
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2.
A nostril or spiracle in the top of the head of a whale or other cetacean.
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3.
A hole in the ice to which whales, seals, etc., come to breathe.
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4.
An air hole in a casting.(Founding)