Allusion
Pronunciation : Al*lu"sion
Part of Speech : n.
Etymology : [L. allusio, fr. alludere to allude: cf. F. allusion.]
Definition : 1. A figurative or symbolical reference. [Obs.]
2. A reference to something supposed to be known, but not explicitly mentioned; a covert indication; indirect reference; a hint.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder