(engineering) Physically deformed into an hourglass shape.

A clock made of two glass vessels connected by a narrow passage through which sand flows. / (graphical user interface) A cursor, often shaped like an hourglass, indicating that the computer is busy.

Occurring every hour. / Unsalaried, paid by the hour; (by extension) blue-collar.

Something produced each hour.

At intervals of an hour.

(Islam) A nymph in the form of a beautiful virgin supposed to dwell in Paradise for the enjoyment of the faithful. / (by extension) Any voluptuous, beautiful woman.

plural of houri

A human body shape resembling an hourglass, i.e. with a very narrow waist and wide bust and hips.

which lasts an hour, or approximately so / of or relating to an hourlong period of time

which lasts half an hour, or approximately so.