Definition of "bight"

I spied a bight of meadow some way below the roadway in an angle of the river.

1905, Robert Louis Stevenson, Travels with a Donkey in the Cévennes, page 166

I could see every rib, the joints of their limbs were like knots in a rope; each had an iron collar on his neck, and all were connected together with a chain whose bights swung between them, rhythmically clinking.

1899 February, Joseph Conrad, “The Heart of Darkness”, in Blackwood’s Edinburgh Magazine, volume CLXV, number M, New York, N.Y.: The Leonard Scott Publishing Company, […], part I