Definition of squealer in English:

squealer

noun

  • 1A person who makes a long, high-pitched cry or noise.

    ‘my baby is a little squealer’
    1. 1.1informal A person who informs on someone to the police or a person in authority.
      ‘his chances of further employment have been damaged because some will view him as a squealer’

Pronunciation

squealer

/ˈskwiːlə/