Entry 2 senses · 2 variants Webster, 1913 Cæcilian · Cæ·cil·i·an · IPA n. n. 01 n. A limbless amphibian belonging to the order Cæciliæ or Ophimorpha. See Ophiomorpha. 1. A limbless amphibian belonging to the order Cæciliæ or Ophimorpha. See Ophiomorpha.(Zool.) See: Ophiomorpha 02 n. See Cæcilian. 1. See Cæcilian.(Zool.) See: Cæcilian