locks

noun
UK /lɒks/
US /lɑːks/

Locks are the parts on a door that keep it shut until you use a key.

She turned the key in the locks and opened the door.


OTHER MEANINGS

2. Locks are small groups of hair that grow together on a person's head.

The little girl had golden locks that curled at the ends.

3. Locks are the parts of a canal that raise or lower boats as the water level changes.

The boat waited while the locks filled with water.

4. Locks is the third-person form of the verb lock, meaning to shut something with a key.

He locks the gate every night before bed.