PADLOCK

padlock. Padlock, n. a lock; v.t. to fasten with a padlock

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Pad″lock′ (?), n. [[Perh. orig., a lock for a pad gate, or a gate opening to a path, or perh., a lock for a basket or pannier, and from Prov. E. pad a pannier. Cf. Pad a path, Paddler.]] 1. 1. 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.
2. 2. Fig.: A curb; a restraint.