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

• bladder nut
• bladder nuts
• bladders
• bladder senna
• bladderworm
• bladderworms
• bladderwort
• bladderworts
• bladderwrack
• bladderwracks
• bladdery
• bladding
• blade
• blade-bone
• blade-bones
• bladed
• blader
• bladers
• blades
• bladework
• bladeworks
• blads
• blae
• blaeberries
• blaeberry