hourglass
noun/ˈaʊrˌɡlæs/
Frequency rank: #14,074 most common English word
Meaning
A device for measuring time, consisting of two glass bulbs connected by a narrow neck through which sand flows from the upper to the lower bulb in a set period.

Example sentence
She watched the sand fall through the hourglass as the last minutes of the game ticked away.
Synonyms & related words
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