‖n.; pl.Sutras [ Skr. s&unr_;tra a thread, a string of rules; an aphorism; fr. siv to sew. ] 1.(a) A precept; an aphorism; a brief rule. (b) A collection of such aphorisms. [ 1913 Webster ]
2.pl. A body of Hindoo literature containing aphorisms on grammar, meter, law, and philosophy, and forming a connecting link between the Vedic and later Sanscrit literature. Balfour (Cyc. of India). [ 1913 Webster ]