picklock

pick +‎ lock

picklock (plural picklocks)

1. A device designed to pick locks.
   • 1623 (date of publication), William Shakespeare, Measure for Measure, Act III,

     Marry, sir, he hath offended the law; and, sir, we take him to be a thief too, sir, for we have found upon him, sir, a strange picklock, which we have sent to the deputy.

2. One who picks locks; a thief.
   • Jeremy Taylor

     a picklock of secrets

• lock pick
• pick

• lock pick, lock-pick, lockpick