Webster's Revised Unabridged Dictionary · 1913

Idol

Idol , noun

[Old English idole, French idole, Latin idolum, from Greek {not transcribed}, from {not transcribed} that which is seen, the form, shape, figure, from {not transcribed} to see. See Wit, and compare Eidolon.]

1.
An image or representation of anything. [Obsolete]
Do her adore with sacred reverence, As th' idol of her maker's great magnificence. — Spenser
2.
An image of a divinity; a representation or symbol of a deity or any other being or thing, made or used as an object of worship; a similitude of a false god.
That they should not worship devils, and idols of gold. — Rev. ix. 20
3.
That on which the affections are strongly (often excessively) set; an object of passionate devotion; a person or thing greatly loved or adored.
The soldier's god and people's idol. — Denham
4.
A false notion or conception; a fallacy. — Bacon
The idols of preconceived opinion. — Coleridge