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1

hourglass

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noun hour·glass \ˈau̇(-ə)r-ˌglas\

Simple Definition of hourglass

  • : a device for measuring time

Source: Merriam-Webster's Learner's Dictionary

Full Definition of hourglass

  1. :  an instrument for measuring time consisting of a glass vessel having two compartments from the upper of which a quantity of usually sand runs in an hour into the lower one

Illustration of hourglass

Circa 1515

First Known Use of hourglass

circa 1515


2

hourglass

adjective hour·glass

Definition of hourglass

  1. :  shaped like an hourglass <an hourglass figure>



Circa 1834

First Known Use of hourglass

circa 1834


HOURGLASS Defined for Kids

hourglass

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noun hour·glass \ˈau̇r-ˌglas\

Definition of hourglass for Students

  1. :  a device for measuring time in which sand takes an hour to run from the upper into the lower part of a glass container




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