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. 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. Fig.: A curb; a restraint.