A Christian Symbol or Icon such as the Anchor 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 Anchor with sacred significance which can manifest itself in a dream.
The Easton Bible Dictionary provides the following definition, meaning and emblem for the Anchor in the Bible. From Acts 27:29, 30, 40, it would appear that the Roman vessels carried several anchors, which were attached to the stern as well as to the prow. The Roman anchor, like the modern one, had two teeth or flukes. In Heb. 6:19 the word is used metaphorically for that which supports or keeps one steadfast in the time of trial or of doubt. It is an emblem of hope.