Meaning

noun the bony skeleton of the head of vertebrates

originFrom Middle English sculle, scolle (also schulle, scholle), probably from a dialectal form of Old Norse skalli (“bald head, skull”), itself probably related to Old English sċealu (“husk”), to Proto-Norse *ᛋᚲᚨᛚᛟ (*skalo), from Proto-Germanic *skallô; compare Finnish skallo. Compare Scots scull, Danish skal (“skull”) and skalle (“bald head, skull”), Norwegian skalle, Swedish skalle and especially…

Etymology from Wiktionary, CC BY-SA 3.0