[f. LOCK sb.2 + -ED2.]
1. Furnished with a (pad)lock.
1786. Burns, Twa Dogs, 13. His locked, letter’d, braw brass collar.
2. Of a canal: Provided with locks.
1884. Pall Mall Gaz., 23 Feb., 8/2. A ‘locked’ ship canal for large ocean steamers between Runcorn and Manchester.
