Search Result for "sandglass": 
Wordnet 3.0

NOUN (1)

1. timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage;


The Collaborative International Dictionary of English v.0.48:

Sandglass \Sand"glass`\, n. An instrument for measuring time by the running of sand. See Hourglass. [1913 Webster]
WordNet (r) 3.0 (2006):

sandglass n 1: timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage