Definify.com
Webster 1913 Edition
Allusion
Al-lu′sion
,Noun.
[L.
allusio
, fr. alludere
to allude: cf. F. allusion
.] 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.
Webster 1828 Edition
Allusion
ALLU'SION
,Noun.
A reference to something not explicitly mentioned; a hint; a suggestion, by which something is applied or understood to belong to that which is not mentioned, by means of some similitude which is perceived between them.