SUNDIAL
sundial
(noun) timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
Source: WordNet® 3.1
Etymology
Noun
sundial (plural sundials)
A device measuring the time of day by the position of a shadow cast by a pole or plate (gnomon) upon an engraved series of marks.
Hyponyms
• (on churches): mass dial, tide dial, scratch dial
Anagrams
• dunsail
Source: Wiktionary
Sun"di`al, n.
Definition: An instrument to show the time of day by means of the shadow of
a gnomon, or style, on a plate. Sundial shell (Zoƶl.), any shell of
the genus Solarium. See Solarium.
Source: Webster’s Unabridged Dictionary 1913 Edition