us ‧ age /ˈjuːsɪdʒ, ˈjuːz-/ BrE AmE noun
[ Word Family: noun : ↑ usage , ↑ use , ↑ disuse , ↑ misuse , ↑ reuse , ↑ usefulness ≠ ↑ uselessness , ↑ user ; adjective : ↑ reusable , used ≠ ↑ unused , ↑ disused , ↑ useful ≠ ↑ useless , ↑ usable ≠ ↑ unusable ; verb : ↑ use , ↑ misuse , ↑ reuse ; adverb : ↑ usefully ≠ ↑ uselessly ]
1 . [uncountable and countable] the way that words are used in a language:
a book on modern English usage
2 . [uncountable] the way in which something is used, or the amount of it that is used:
Water usage is increasing.