01 n. The basinlike opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone o…
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1.
The basinlike opening or mouth of a volcano, through which the chief eruption comes; similarly, the mouth of a geyser, about which a cone of silica is often built up.
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2.
The pit left by the explosion of a bomb, shell, or mine.(Mil.)
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3.
A constellation of the southen hemisphere; -- called also the Cup.(Astron.) Also: Cup