Meaning of 'LL in English
1. a contraction of will: I'll answer the phone. He'll pay the check. What'll we do?
2. contraction of till 1 ( used when the preceding word ends in t ): Wait'll your father comes home!
Usage . See contraction .
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012