caecilianEnglishOxford Dictionary of Englishcaecilian /sɪˈsɪliən / (also coecilian) ▸ noun Zoology a burrowing wormlike amphibian of a tropical order distinguished by poorly developed eyes and the lack of limbs. Order Gymnophiona (or Apoda): five families. – ORIGIN from modern Latin Caecilia (genus name), from Latin caecilia ‘slow-worm’, + -an.