An hourglass measuring a fixed amount of time (not necessarily one hour).
More example sentences
- In addition to their lack of accuracy, sandglasses, waterclocks and candles were also limited in the total length of time they could measure before having to be reset.
- She glanced over at the sandglass, and started.
- Early oceanic travellers used a sandglass to tell the time.
Definition of sandglass in:
- The British & World English dictionary