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- (Noun)
- an instrument for measuring time by the trickling of water, into it or trickling of sand, mercury, water, etc. out of it, through a small opening, in a fixed period of time.
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- (Noun)
- an instrument for measuring time by the trickling of water, into it or trickling of sand, mercury, water, etc. out of it, through a small opening, in a fixed period of time.