Etymology

, from , from , possibly from Etruscan, + ; a translation of

Proper noun

1. The seventh day of the week in the USA, and the sixth day of the week in Europe and in systems using the ISO 8601 norm; the Biblical seventh day of the week, observed as Sabbath or "Day of Rest"; it follows Friday and precedes Sunday.

Usage notes

As with the other days of the week, is often used as a common noun. As a proper noun, it refers collectively to the day across all weeks:

Saturday is my favorite day of the week.

As a common noun, it refers in the singular to any one Saturday, or in the plural to a set of Saturdays:

Let’s get together on the Saturday after next.

There are only two Saturdays left before your birthday.