One of the four Vedas- the primary source of all Hindu Codes. [P Ramanatha Aiyer’s The Law Lexicon]

It is one of four Vedas. The Sama-Veda consists of prayers composed in metre and intended to be chanted at sacrifices. A peculiar degree of holiness is attached to it as it is believed to efficacious in removing sins. [Mitra’s Legal & Commercial Dictionary]