Definition of obtruder in 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

/əbˈtruːdə/