Definition of obtruder in US English:

obtruder

noun

  • See obtrude

    • ‘The cannula was fixed to the skull with dental cement and capped with silicon without an obtruder.’
    • ‘When a person approaches the haunt of fern-owls (caprimulgi) in an evening, they continue flying round the head of the obtruder.’

Pronunciation

obtruder

/əbˈtro͞odər//əbˈtrudər/