Source : Webster's Revised Unabridged Dictionary (1913)

Agriology \Ag`ri*ol"o*gy\ ([a^]g`r[i^]*[o^]l"[-o]*j[y^]), n.
   [Gr. 'a`grios wild, savage + -logy.]
   Description or comparative study of the customs of savage or
   uncivilized tribes.