D defs.my
Entry 2 senses Webster, 1913

Spurious

/(spū"rĭ*ŭs)/ · Spu·ri·ous · IPA /ˈspjʊɹ.i.əs/
01 a. Not proceeding from the true source, or from the source pretended; not genuine; counterfeit; false; adulterate.
  1. 1.
    Not proceeding from the true source, or from the source pretended; not genuine; counterfeit; false; adulterate.
  2. 2.
    Not legitimate; bastard; as, spurious issue.
Phrases & compounds
Spurious primary — the first, or outer, primary quill when rudimentary or much reduced in size, as in certain singing birds.
Spurious wing — the bastard wing, or alula.