A contrivance to fasten logs together in rafting; -- used by lumbermen.(noun)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "lock-down" in a sentence
"Hunt, for instance, was a guard for Christ the King's basketball team and was known as a lock-down defender."
"You are a prisoner in your expensive home or on lock-down in a smart hotel, and who you are, not to mention what you have to do every minute of every day, is not a decision under your control."
"In preparation for the protests, police have announced a lock-down of the city center, banning all traffic and erecting metal barricades to prevent protestors from storming the grounds of the Thessaloniki International Trade Fair where Mr. Papandreou will deliver his speech."