In heraldry, an avellane cross is a form of cross which resembles four hazel filberts in their husks or cases, joined together at the great end.[1] The term comes from the Latin name for the hazel, originally Nux avellana.[2][3] It was fairly rare in English heraldry.[4]
Avellane.
Avellane cross.
This article incorporates text from a publication now in the public domain: Chambers, Ephraim, ed. (1728). "Avellane cross". Cyclopædia, or an Universal Dictionary of Arts and Sciences (1st ed.). James and John Knapton, et al.