Sundial

//ˈsʌnˌdaɪ.əl// noun

Definitions

Noun
  1. 1
    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.

    "The birdbath includes a small gnomon that acts as a sundial with markings on the basin if it's aligned correctly with the sun."

  2. 2
    timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial wordnet
  3. 3
    A sea snail of the genus Heliacus.

Etymology

From sun + dial, a clarification of dial after it was used for other objects as well.

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