Hypertext Webster Gateway: "sandglass"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Sandglass \Sand"glass`\, n.
An instrument for measuring time by the running of sand. See
{Hourglass}.
From WordNet (r) 1.7 (wn)
sandglass
n : timepiece in which the passage of time is indicated by the
flow of sand from one transparent container to another
through a narrow passage
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.