Gnomon

Gnomon

The gnomon is the part of a sundial that casts the shadow. Gnomon (γνώμων) is an ancient Greek word meaning "indicator", "one who discerns," or "that which reveals."

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Famous quotes containing the word gnomon:

    “Like to the Artick needle, that doth guide
    The wand’ring shade by his magnetick pow’r,
    And leaves his silken Gnomon to decide
    The question of the controverted houre;”
    —Francis Quarles (1592–1644)