picaroon /ˌpɪkəˈɹuːn/noun 4verb 1forms 3 noun4 •A pirate or picaro. •A rogue. •A pirate ship. •A tool consisting of a curved spike or hook, fitted to a long shaft, used in logging and fishing to snag, move and hold. verb1 •To behave as a pirate. formspicarooned · picarooning · picaroons