perno

perno
masculine noun
1. bolt

perno [perr’-no]
noun
1. A round-headed pin; a large nail, a spike. (m)
2. Hook of a hinge for doors and windows. (m)
3. Joint pin, crank pin. (Mecahnic) (m)
4. A bolt. (Nautical) (m)
  • Perno de ojo -> eye-bolt
  • Estar hasta el perno -> (And.) to be at the end of one's tether

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