Definition of oligophagy in US English:

oligophagy

noun

Entomology
  • The eating of a limited range of plants.

Origin

1940s. From oligo- + -phagy, after oligophagous. Compare earlier polyphagy, monophagy.

Pronunciation

oligophagy

/ˌɒlɪˈɡɒfədʒi/