Sundial meaning

sŭndīəl, -dīl
Frequency:
An instrument that indicates local apparent solar time by the shadow cast by a central projecting pointer on a surrounding calibrated dial.
noun
3
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An instrument that indicates time by the position of a gnomon's shadow cast by the sun on the face of a dial marked in hours.
noun
2
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A simple timekeeping device in which the shadow cast by a vertical pole or plate (the gnomon) is used to indicate the time of day.
noun
2
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Origin of sundial