hourglass
US /ˈaʊr.ɡlæs/
UK /ˈaʊr.ɡlæs/

1.
clessidra
a device for measuring time, consisting of two connected glass bulbs from which a quantity of sand takes an hour to pass
:
•
The sand slowly trickled through the hourglass.
La sabbia gocciolava lentamente attraverso la clessidra.
•
She turned the hourglass over to start the timer.
Ha girato la clessidra per avviare il timer.
2.
figura a clessidra, forma a clessidra
a figure or shape that is narrow in the middle and wider at the top and bottom, resembling an hourglass
:
•
She has an hourglass figure.
Ha una figura a clessidra.
•
The vase had an elegant hourglass shape.
Il vaso aveva un'elegante forma a clessidra.