trocar /trōˈkär/

1. A surgical perforator with a three-sided cutting point used for inserting a cannula, to drain off or introduce liquid, etc
2. Sometimes, a cannula

• counsellor
• diesel-hydraulic
• dieselisation
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• dieselising
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• dieselize
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• dies faustus
• dies festi
• dies infaustus
• die-sinker
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• die-sinking