A Christian Symbol or Icon such as the Dove is an object, character, figure, or color used to represent abstract ideas or concepts - a picture that represents an idea.
A Christian symbol or icon is an image or symbolic representation such as the Dove with sacred significance which can manifest itself in a dream.
The Easton Bible Dictionary provides the following definition, meaning and emblem for the Dove Christian Symbol in the Bible.
In their wild state doves generally build their nests in the clefts of rocks, but when domesticated "dove-cots" are prepared for them (Cant. 2:14; Jer. 48:28; Isa. 60:8).
The dove was placed on the standards of the Assyrians and Babylonians in honour, it is supposed, of Semiramis (Jer. 25:38; Vulg., "fierceness of the dove;" comp. Jer. 46:16; 50:16).
Doves and turtle-doves were the only birds that could be offered in sacrifice, as they were clean according to the Mosaic law (Ge. 15:9; Lev. 5:7; 12:6; Luke 2:24).
The dove was the harbinger of peace to Noah (Gen. 8:8, 10). It is often mentioned as the emblem of purity (Ps. 68:13).
It is a symbol of the Holy Spirit (Gen. 1:2; Matt. 3:16; Mark 1:10; Luke 3:22; John 1:32); also of tender and devoted affection (Cant. 1:15; 2:14).
David in his distress wished that he had the wings of a dove, that he might fly away and be at rest (Ps. 55:6-8).
There is a species of dove found at Damascus "whose feathers, all except the wings, are literally as yellow as gold" (68:13).