
• (v. i.) To make a raid for booty; to maraud; also, to skirmish in advance of an army. See Picaroon.
Found on
http://thinkexist.com/dictionary/meaning/pickeer/

Pick·eer' intransitive verb [ imperfect & past participle Pickeered ; present participle & verbal noun Pickeering .] [ French picorer to go marauding, orig., to go to steal cattle, ultimately from Latin pecus , pecoris
Found on
http://www.encyclo.co.uk/webster/P/83
No exact match found.