a. seemingly reasonable but incorrect; misleading intentionally
To claim that, because houses and birds both have wings, both can fly, is extremely specious reasoning.
Sentence in Classic:
And although pretexts of this sort are easily seen through, especially by the wise, the mass of the people are often beguiled by them, because desiring present tranquillity, they shut their eyes to the snares hidden behind these specious promises.
Discourses on the First Decade of Titus Livius By Niccolo Machiavelli Context
He then, by a specious argument, prevented her from going, and so had the chance for which he had waited.
The Hound of the Baskervilles By A. Conan Doyle Context