1. A small bit that drills a first hole to guide a larger drill

Derived forms: pilot bits

Type of: bit

• penicillin
• penicillin F
• penicillin G
• penicillin O
• penicillin V
• penicillin V potassium
• penicillin-resistant
• penicillin-resistant bacteria
• penicillinase
• penicillinase-resistant antibiotic
• Penicillium
• penile
• penile implant
• peninsula
• peninsular
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• penknife
• penlight