洗面台 (senmendai) Japanese meaning: washbasin | KotomoraI washed my face at the washbasin.
We will install a new bathroom sink.
Usage patterns
洗面台で顔を洗うto wash one's face at the washbasin
When I get up in the morning, I first wash my face at the washbasin.
洗面台に立つto stand at the washbasin
He was standing at the washbasin brushing his teeth.
洗面台を掃除するto clean the washbasin
I cleaned the washbasin over the weekend.
シンク usually refers to a kitchen (or utility) sink, while 洗面台 specifically means the bathroom washbasin used for washing your face and hands.