The wash-basin, also known as a sink or washbasin, is a bathroom fixture used for washing hands, face, and brushing teeth. However, there are many synonyms for wash-basin, including wash-hand basin, lavatory, washstand, hand sink, and basinette. These terms are used interchangeably in various regions, and in different settings, such as hospitals, public restrooms, and kitchens. Additionally, modern wash-basins come in various styles, shapes, and sizes, including wall-mounted, pedestal, and countertop sinks, which cater to different space, design, and functional requirements. Regardless of the name or type, the wash-basin is an essential element of the bathroom that enables hygienic and convenient sanitation.