Usage: capitalized
Etymology: New Latin, from mecisto- (from Greek mēkistos, superl. of makros long) + cirrus — more at meager
: a genus of nematode worms (family Trichostrongylidae) including a common parasite (M. digitatus) of the abomasum of domesticated ruminants and the stomach of swine in both of which it may cause serious loss of blood and digestive disturbances especially in young animals
Useful english dictionary. 2012.