Contents of an hourglass
I believe the answer is:
sand
(Other definitions for sand that I've seen before include "Very tiny grains of rock" , "Shore grains" , "Fine stone particles" , "woman writer Chopin loved" , "Beach grit" .)
I believe the answer is:
sand
(Other definitions for sand that I've seen before include "Very tiny grains of rock" , "Shore grains" , "Fine stone particles" , "woman writer Chopin loved" , "Beach grit" .)