D defs.my
Entry 2 senses Webster, 1913

Allusion

/əl-o͞ozh'-ən/ · Al·lu·sion · IPA /əˈlu.ʒən/
01 n. A figurative or symbolical reference.
  1. 1.
    A figurative or symbolical reference.[Obs.]
  2. 2.
    A reference to something supposed to be known, but not explicitly mentioned; a covert indication; indirect reference; a hint.