Idolum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Idolum \I*do"lum\, Idolon \I*do"lon\, n.; pl. {Idola}. [L. See
     {Idol}; cf. {Eidolon}.]
     Appearance or image; a phantasm; a spectral image; also, a
     mental image or idea.
     [Webster 1913 Suppl.]