Source : Webster's Revised Unabridged Dictionary (1913)

Barbacanage \Bar"ba*can*age\, n.
   See {Barbicanage}.

Barbicanage \Bar"bi*can*age\, Barbacanage \Bar"ba*can*age\, n.
   [LL. barbicanagium. See {Barbican}.]
   Money paid for the support of a barbican. [Obs.]