• Webster's Revised Unabridged Dictionary
    • n Corallian (Geol) A deposit of coralliferous limestone forming a portion of the middle division of the o├Âlite; -- called also coral-rag.
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Century Dictionary and Cyclopedia
    • n corallian Having the character of coral, or containing coral.
    • n corallian Specifically, in geology, noting a division of the Jurassic system lying above the Oxfordian and below the Kimmeridgian and in England including the coral rag, coralline oölite, and calcareous grit. In the English succession it constitutes the upper division of the Middle oölites and is characterized by its great abundance of corals in massive banks. In France and the Alps the parallel division is the Sequanian.
    • n corallian In geology, the corallian division.
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In literature:

This caution is particularly necessary when any attempt is being made to co-ordinate the English with the continental Corallian.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4" by Various
The Oxfordian, Callovian, Corallian and Astartian stages are also present.
"Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 5" by Various