An example of a scall is the skin illness mentioned in the book of Leviticus in the Bible.
Origin of scallMiddle English ; from Old Norse skalli, bald head, akin to Old English scealu, shell
Origin of scallMiddle English, from Old Norse skalli, a bald head; see skel-1 in Indo-European roots.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Icelandic skalli, a bald head. Compare scald.