lockfast adjective Scot securely fastened with a lock
Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Examples from the Web for lockfast Historical Examples of lockfast
All the lockfast places had been broken open in quest of the chart.
Charles H. Sylvester
It was such a scene of confusion as you can hardly fancy.164 All the lockfast places had been broken open in quest of the chart.
Robert Louis Stevenson