The other dial had some half-worn hour-marks, but no gnomon.
There is therefore in every Parallelogramme a double gnomon; as in these two examples.
Since the sky is infinitely far away, the line of the gnomon would then lie parallel to the axis of the heavens.
But I landed in the dark chamber of a gnomon, waist-deep in loose wheat.
In more recent times the title "gnomon" was applied to the style of the sun-dial.
I mounted the only unsealed gnomon and shouted down into its cavernous depths.
A “gnomon” was the pillar or projection which cast the shadow on the various Greek forms of sun-dial.
OConnor on the gnomon or celestial-index theory of the round towers, 51.
Its gnomon is ninety feet high and one hundred and forty-seven feet long.
The terrible motionless time had no gnomon on its dial-plate.
"vertical shaft that tells time by the shadow it casts" (especially the triangular plate on a sundial), 1540s, from Latin gnomon, from Greek gnomon "indicator," literally "one who discerns," from gignoskein "to come to know" (see gnostic (adj.)).