Avellane cross

In heraldry, an avellane cross is a form of cross which resembles four filberts in their husks or cases, joined together at the great end. The term comes from the Latin name for the hazel, originally Nux avellana.

References

1.  This article incorporates content from the 1728 Cyclopaedia, a publication in the public domain. [1]

The Cross Avellaine. A decorative form, based upon heraldic lore, and deriving its name from its resemblance to four husks of the "nux abellana." An example of this form of cross surmounts the dome of St. Paul's cathedral, in London."

Webber, F. R., Church Symbolism: an Explanation of the more Important Sy mbols of the Old and New Testament, the Primitive, the Mediaeval and the Modern Church, second edition, revised, Detroit, Gale Research Company, Book Tower, 1971.