Strong's #6369: Piykol (pronounced pee-kole')
 apparently from 6310 and 3605; mouth of all; Picol, a Philistine:--Phichol.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ 
  pı̂ykôl 
 
 Phichol = "strong" 
 1) chief captain of the army of king Abimelech of the Philistines of Gerar in the days of Abraham and Isaac
 
  Part of Speech: noun proper masculine
Relation: apparently from H6310 and H3605
Usage:
This word is used 3 times:
Genesis 21:22: "at that time, that Abimelech  and Phichol the chief captain of his host spoke unto"
Genesis 21:32: "at Beer-sheba: then Abimelech rose up,  and Phichol the chief captain of his host, and they returned into"
Genesis 26:26: "him from Gerar, and Ahuzzath one of his friends,  and Phichol the chief captain of his army."