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

• hydrazoic acid
• hydremia
• hydremias
• hydria
• hydriae
• hydric
• hydrically
• hydride
• hydrides
• hydriodic
• hydro
• hydro-
• hydro-aeroplane
• hydro-aeroplanes
• hydro-airplane
• hydro-airplanes
• hydrobiological
• hydrobiologies
• hydrobiologist
• hydrobiologists
• hydrobiology
• hydrobromic
• hydrocarbon
• hydrocarbons
• hydrocele