lockfast adjective.
['lɒkfɑ:st] LME.[Sense 1 from LOCK noun2 + FAST adjective; sense 2 from LOCK verb1 + FAST adverb.]1. Fastened or secured by a lock. Chiefly
Scot. LME.2. Adapted for locking something securely.
L19. [TahlilGaran] English Dictionary ▲