gnomonclock
nounUK /ˈnəʊmɒn klɒk/
US /ˈnoʊmɑːn klɑːk/
A gnomon clock is a clock that tells time by the shadow of a stick.
The gnomon clock in the garden showed it was noon when the shadow was shortest.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. An ancient timekeeping device using a vertical rod's shadow to mark hours.
Ancient Egyptians used a gnomon clock to track the sun's movement.
3. A clock whose dial is marked by the shadow cast by a raised pointer.
The museum's gnomon clock has a bronze pointer that casts a clear shadow.
4. Any time-telling instrument based on the position of a shadow.
Sailors once relied on a gnomon clock to estimate the time of day.