Englishfor English speakers
casing
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noun
the outermost covering of a pneumatic tire
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noun
the enclosing frame around a door or window opening
the casings had rotted away and had to be replaced
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noun
(= case)
the housing or outer covering of something
the clock has a walnut case
hole
Noun
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A hole is an empty space in an object or material.
He fell into the water through a hole in the ice.
They dug a hole in the ground for the tree.
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In golf, a hole is the place you tried to hit the ball into.
It took four shots to get the ball in the hole.