A kitchen; the room or area in a home where food is prepared and cooked.
朝ごはんは台所で食べます。
I eat breakfast in the kitchen.
新しいガスコンロを台所に取り付けた。
We installed a new gas stove in the kitchen.
彼女はだいどこに立って料理をしている。
She is standing in the kitchen cooking.
One's financial situation or household finances (colloquial).
今月は出費が多くて台所が苦しい。
Expenses were high this month, so the household finances are tight.
給料が上がれば台所も少し楽になるだろう。
If my salary increases, the finances should become a bit easier.