n 1  pl  -lae  or  -las  :  a narrow fascia or band of color  2  cap  :  a genus (the type of the family Fasciolidae) of digenetic trematode worms including common liver flukes of various mammals (as ruminants and humans) .
 
   
 
Similar sounding terms:  fos·su·la  phy·sa·lia  va·sal  ves·sel 
 
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