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from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • n. A detachable lock with a U-shaped bar hinged at one end, designed to be passed through the staple of a hasp or a link in a chain and then snapped shut.
  • transitive v. To lock up with or as if with a padlock.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A detachable lock that can be used to secure something by means of a sliding or hinged shackle
  • v. To lock using a padlock.

from the GNU version of the Collaborative International Dictionary of English

  • n. A portable lock with a bow which is usually jointed or pivoted at one end so that it can be opened, the other end being fastened by the bolt, -- used for fastening by passing the bow through a staple over a hasp or through the links of a chain, etc.
  • n. A curb; a restraint.
  • transitive v. To fasten with, or as with, a padlock; to stop; to shut; to confine as by a padlock.

from The Century Dictionary and Cyclopedia

  • n. A portable lock with a pivoted bow or hasp or a sliding hasp, designed to fit over a staple or engage a ring and to hang suspended when closed.
  • To fasten by or as by means of a padlock.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. fasten with a padlock
  • n. a detachable lock; has a hinged shackle that can be passed through the staple of a hasp or the links in a chain and then snapped shut


Middle English padlok : pad-, of unknown meaning + lok, lock; see lock1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English padlok, from pad-, of unknown origin, + lokĀ ("lock") (Wiktionary)


  • To open the padlock, you must press the buttons. key number 1 to represent the letter 'a', the key number 2 to represent the letter 'f', and so on. code to open the padlock is 'padlock'.

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  • He takes a paper clip out of his pocket and opens it out, and I think maybe he has a penknife, too, and next thing I know the padlock is open.

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  • "Azactly," said Old Gillman; and slipped the padlock from the staple and put it in his pocket.

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  • 'Azactly,' said Old Gillman; and slipped the padlock from the staple and put it in his pocket.

    Martin Pippin in the Apple Orchard

  • Stuffed carefully into a steel locker secured with a padlock were the blocks of Semtex explosives, and on top of that locker lay one of the M-249 Squad Automatic Weapons.

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  • This was a kind of padlock, which shut up all access to the seat of voluptuousness.

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  • Another option is a third-party 'padlock' security program for smartphones / PDAs.

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  • There is no "padlock" to show that the other people in your conversation are also using secure Skype clients.

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  • Mfd, the bacterial TRCF RNA polymerase stalled at DNA damage is recognized by Mfd pre-incision complex (UvrB "padlock" bound to damaged DNA) RNA, RNAP Mfd UvrA 2 UvrA 2 UvrB RNA Pol Mfd COUPLING

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  • "SSL certificates are the primary mechanism for ensuring that secure web sites -- those displaying that reassuring" padlock "icon in the address bar -- really are who they purport to be.

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