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

• unbroken
• unbrokenly
• unbrokenness
• unbrokennesses
• unbrotherlike
• unbrotherly
• unbruised
• unbrused
• unbrushed
• unbuckle
• unbuckled
• unbuckles
• unbuckling
• unbudded
• unbudgeted
• unbuild
• unbuilding
• unbuilds
• unbuilt
• unbuilt-on
• unbundle
• unbundled
• unbundler
• unbundlers
• velocipedeans