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 (Zo["o]l.), the first, or outer, primary quill when rudimentary or much reduced in size, as in certain singing birds.

Spurious wing (Zo["o]l.), the bastard wing, or alula.

Syn: Counterfeit; false; adulterate; supposititious; fictitious; bastard. -- Spu"ri*ous*ly, adv. -- Spu"ri*ous*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)