Sandglass
Pronunciation : Sand"glass`
Part of Speech : n.
Definition : Defn: An instrument for measuring time by the running of sand. See Hourglass.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder