child ‧ proof /ˈtʃaɪldpruːf/ BrE AmE adjective
something that is childproof is designed to prevent a child from opening, damaging, or breaking it:
a childproof lock
child ‧ proof /ˈtʃaɪldpruːf/ BrE AmE adjective
something that is childproof is designed to prevent a child from opening, damaging, or breaking it:
a childproof lock
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012