perno

perno
masculine noun
1bolt

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

perno
sustantivo:masculino
bolt
estar hasta el perno (And) (familiar) to be at the end of one's tether