Source : Webster's Revised Unabridged Dictionary (1913)

Primate \Pri"mate\, n. [OE. primat, F. primat, L. primas, -atis
   one of the first, chief, fr. primus the first. See {Prime},
   a.]
   1. The chief ecclesiastic in a national church; one who
      presides over other bishops in a province; an archbishop.

   2. (Zo["o]l.) One of the Primates.

Source : WordNet®

primate
     n 1: a senior clergyman and dignitary [syn: {archpriest}, {hierarch},
           {high priest}, {prelate}]
     2: any placental mammal of the order Primates; has good
        eyesight and flexible hands and feet