'Rost' definitions:

Definition of 'Rost'

From: GCIDE
  • Rost \Rost\, n. See Roust. [Scot.] --Jamieson. [1913 Webster]

Definition of 'rost'

From: GCIDE
  • Roust \Roust\, n. [Cf. Icel. r["o]st an estuary.] A strong tide or current, especially in a narrow channel. [Written also rost, and roost.] --Jamieson. [1913 Webster]