pum‧ice /ˈpʌməs, ˈpʌmɪs/ (also ˈpumice stone) noun
[Date: 1400-1500; Language: Old French; Origin: pomis, from Latin pumex 'foam']

1. [uncountable] very light grey rock from a volcano that is crushed to a powder and used for cleaning

2. [countable] a piece of pumice stone that you rub on your skin to clean it or make it soft

[TahlilGaran] Dictionary of Contemporary English ▲