1. A bit for enlarging the upper part of a hole
   - counterbore, countersink

Derived forms: countersink bits

Type of: bit

• hiccup nut
• hick
• hickey
• Hickock
• hickory
• hickory nut
• hickory pine
• hickory tree
• hidalgo
• Hidatsa
• hidden
• hidden agenda
• hidden reserve
• semi-wild
• semiabstract
• semiannual
• semiannually
• semiaquatic
• semiarid
• semiautobiographical
• semiautomatic
• semiautomatic firearm
• semiautomatic pistol
• semibreve
• semicentenary