Spurious

Spu"ri*ous (?), a. [L. spurius.] 1. Not proceeding from the true source, or from the source pretended; not genuine; false; adulterate.

2. Not legitimate; bastard; as, spurious issue. "Her spurious firstborn." Milton.

Spurious primary, or Spurious quill (Zoöl.), the first, or outer, primary quill when rudimentary or much reduced in size, as in certain singing birds. -- Spurious wing (Zoöl.), the bastard wing, or alula.

Syn. -- Counterfeit; false; adulterate; supposititious; fictitious; bastard.

-- Spu"ri*ous*ly, adv. -- Spu"ri*ous*ness, n.