Crocodile bird Meaning, Definition & Usage

  1. noun African courser that feeds on insect parasites on crocodiles
    Pluvianus aegyptius.

WordNet

Definitions
  1. (Zoöl.), an African plover (Pluvianus ægypticus) which alights upon the crocodile and devours its insect parasites, even entering its open mouth (according to reliable writers) in pursuit of files, etc.; called also Nile bird. It is the trochilos of ancient writers.

Webster 1913