Definition of turn-on in English:

turn-on

Pronunciation /ˈtərn ˌän/ /ˈtərn ˌɑn/

noun

informal
  • A person or thing that causes someone to feel excited or sexually aroused.

    ‘tight jeans can be a real turn-on’

Pronunciation

turn-on

/ˈtərn ˌän/ /ˈtərn ˌɑn/