A "basin sink" refers to a type of sink that is typically round and bowl-shaped, resembling a basin. It is commonly used in bathrooms and is designed for simple tasks such as handwashing or facewashing. Full definition
Though not a new trend, single basin sinks are definitely a lasting one. (quickstepstyle.com)
The two other bedrooms on the second floor access a full bathroom, and a final half - bath with custom basin sink is off the kitchen. (wyndhamvacationrentals.com)
However, for those looking to build a truly versatile kitchen, consider scrapping the double basin and select a single, large basin sink, instead. (moneysense.ca)