Tanystomata
Pronunciation : Tan`y*stom"a*ta
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: A division of dipterous insects in which the proboscis is large and contains lancelike mandibles and maxill?. The horseflies and robber flies are examples.
pl.
Source : Webster's Unabridged Dictionary, 1913