an adherent to a party or faction; esp., one who is strongly and passionately devoted to a party or an interest.-the commander of a body of detached light troops engaged in making forays and harassing an enemy.-any member of such a corps.-adherent to a party or faction; especially, having the character of blind, passionate, or unreasonable adherence to a party; as, blinded by partisan zeal.-serving as a partisan in a detached command; as, a partisan officer or corps.-a kind of halberd or pike; also, a truncheon; a staff.