n. 1. Pains in children's legs supposed to be caused by changes in their bodies and feelings as they grow. The little girl's legs hurt, and her mother told her she had growing pains. 2. informal Troubles when something new is beginning or growing. The factory has growing pains.
GROWING PAINS
Meaning of GROWING PAINS in English
American idioms English vocabulary. Английский словарь американских идиом. 2012