Source : Webster's Revised Unabridged Dictionary (1913)

Privateer \Pri`va*teer"\, v. i. [imp. & p. p. {Privateered}; p.
   pr. & vb. n. {Privateering}.]
   To cruise in a privateer.

Privateering \Pri`va*teer"ing\, n.
   Cruising in a privateer.