ERRONEOUS a.
Containing error; not conformed to truth or justice; incorrect; false; mistaken; as, an erroneous doctrine; erroneous opinion, observation, deduction, view, etc. -- Er*ro"ne*ous*ly, adv. -- Er*ro"ne*ous*ness, n.
GOATSUCKER n.
nd allied genera, esp. the European species (Caprimulgus Europæus); -- so called from the mistaken notion that it sucks goats. The European species is also goat-milker, goat owl, goat chaffer, fern owl, night hawk, nightjar, night churr, churr-owl, gnat hawk, and dorhawk .