washing machine; clothes washer
Standard term for a household washing machine. The colloquial pronunciation せんたっき is common in casual speech.
新しい洗濯機を買いました。
I bought a new washing machine.
洗濯機が壊れてしまった。
The washing machine broke down.
I put the dirty shirt into the washing machine.
It's my habit to run the washing machine first thing in the morning.
The washing machine broke down, so I called for repairs.
This sweater can be washed in the washing machine.