plughole
nounUK /ˈplʌɡ.həʊl/
US /ˈplʌɡ.hoʊl/
The hole in a sink or bathtub where water drains out.
She cleaned the hair out of the plughole after washing her hair.
OTHER MEANINGS
2. A small hole through which a plug or peg is inserted.
The carpenter fitted a wooden peg into the plughole.
3. A figurative point of loss or waste, especially of money.
Rising fees have become a plughole for the family's savings.
4. In mining, a hole drilled for blasting or drainage.
The miners drilled a plughole to let the water escape.