Meaning of TWICE in English
/ twaɪs; NAmE / adverb
two times; on two occasions :
I don't know him well; I've only met him twice.
They go there twice a week / month / year .
a twice-monthly / yearly newsletter
double in quantity, rate, etc. :
an area twice the size of Wales
Cats sleep twice as much as people.
At 56 he's twice her age.
- twice over
—more at lightning noun , once adverb , think verb
late Old English twiges , from the base of two + -s (later respelled -ce to denote the unvoiced sound); compare with once .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005