'Butt shaft' definitions:

Definition of 'butt shaft'

(from WordNet)
noun
A blunt arrow without a barb; an arrow used for target practice

Definition of 'Butt shaft'

From: GCIDE
  • Butt shaft \Butt" shaft`\ An arrow without a barb, for shooting at butts; an arrow. [Also but shaft.] --Shak. [1913 Webster]