The Swedish word for lock is
lås

Translations for lock and their definitions

låsa
1. v. to lock

sluss
1. n-c. (nautical) a lock (used for raising and lowering vessels in a canal or other waterway)
2. n-c. (figuratively) a mechanism that lets someone/something through, a lock
luftsluss - airlock
3. n-c. (figuratively) a floodgate (with a large figurative outpouring of something if opened)
öppna slussarna - open the floodgates
4. n-c. (in the definite "slussen", normally capitalized) Slussen (area in central Stockholm)

lock
1. n-c. (often, plural) a lock of hair, a curl of hair
2. n-n. a cover, a lid
3. n-n. popping (as when ears pop)
Få lock för örat.
Be deafened.
4. n-n. a (thin) board that covers the gap between panel boards
5. n-n. call, lure (uninflected, from the verb locka)
med lock och pock