Bast \Bast\, n. [AS. b[ae]st; akin to Icel., Sw., Dan., D., & G. bast, of unknown origin. Cf. Bass the tree.]

1. The inner fibrous bark of various plants; esp. of the lime tree; hence, matting, cordage, etc., made therefrom.

2. A thick mat or hassock. See 2d Bass, 2.

Source: Webster's Revised Unabridged Dictionary (1913)