The Collaborative International Dictionary of English v.0.48:
Taws \Taws\, n. [See Taw to beat.] A leather lash, or other instrument of punishment, used by a schoolmaster. [Written also tawes, tawis, and tawse.] [Scot.] [1913 Webster] Never use the taws when a gloom can do the turn. --Ramsay. [1913 Webster]