hourglass
Word family adjectivehourlyhourlongnounhourglasshour handhourplatehour
Chronology
hour·glass /ˈaʊəɡlɑːs $ ˈaʊrɡlæs/ noun [countableC] 1. 
TMCa glass container for measuring time in which sand moves slowly from the top half to the bottom in exactly one hour 〔计时用的〕沙漏 → egg-timer
TMCa glass container for measuring time in which sand moves slowly from the top half to the bottom in exactly one hour 〔计时用的〕沙漏 → egg-timer2. hourglass figure DCBa woman who has an hourglass figure has a narrow waist in comparison with her chest and hips 〔女性的〕沙漏体型，蜂腰体型
Examples from the Corpus
hourglass figure• Instead of having an hourglass figure, whose curves suggested motherhood and domesticity, she was boyishly slim.
Examples from the Corpus
hourglass• Like sand in an hourglass, simultaneously pulled in both directions by the mysterious appetite of a two-headed gravity.• I picture the evolution of human consciousness in the shape of an hourglass.• The sand has run out of the hourglass.