Source : Webster's Revised Unabridged Dictionary (1913)

Bodyguard \Bod"y*guard`\, n.
   1. A guard to protect or defend the person; a lifeguard.

   2. Retinue; attendance; following. --Bp. Porteus.

Source : WordNet®

bodyguard
     n 1: someone who escorts and protects a prominent person [syn: {escort}]
     2: a group of men who escort and protect some important person
        [syn: {guard}]