This is the 7763rd most frequent Japanese word.
台所
Kitchen.
台所 means 'kitchen' as a place where cooking takes place.
私は台所で料理をしている。
I am cooking in the kitchen.
台所 here is referred to specifically as the area being cleaned within the house.
台所の掃除をした後、ピカピカにしました。
After cleaning the kitchen, it became sparkling clean.
台所 is mentioned to indicate the inclusion of multiple kitchens in a property.