Source : Webster's Revised Unabridged Dictionary (1913)

Bdellomorpha \Bdel`lo*mor"pha\,n. [NL., fr. Gr. ? leech + ?
   form.] (Zo["o]l.)
   An order of Nemertina, including the large leechlike worms
   ({Malacobdella}) often parasitic in clams.