sink [sinks]◼◼◼(basin) noun [UK: sɪŋk] [US: ˈsɪŋk]The bathroom sink is plugged. = Le lavabo de la salle de bain est bouché.
washbasin [washbasins]◼◼◼(basin used for washing, sink) noun [UK: ˈwɒʃ.beɪs.n̩] [US: ˈwɑːʃ.ˌbes.n̩]The washbasin is made of granite. = Le lavabo est en granit.
basin [basins]◼◼◼(wide bowl for washing) noun [UK: ˈbeɪs.n̩] [US: ˈbeɪs.n̩]