pendragon

[pen-drag-uh n] /pɛnˈdræg ən/
noun
1.
the supreme leader: the title of certain ancient British chiefs.
Origin
1470-80; < Medieval Latin (Geoffrey of Monmouth) Uthyrpendragun Uther Pendragon, taken as Medieval Welsh pen(n) head + *dragun < Late Latin dracōnēs, plural of dracō military standard, Latin: serpent, dragon (hence, chief or head standard), though the compound is unattested in Welsh sources outside of translations of Geoffrey of Monmouth
Related forms
pendragonish, adjective
pendragonship, noun

Pendragon

[pen-drag-uh n] /pɛnˈdræg ən/
noun
1.
either of two kings of ancient Britain.
Compare Arthur (def 2), Uther.
British Dictionary definitions for pendragon

pendragon

/pɛnˈdræɡən/
noun
1.
a supreme war chief or leader of the ancient Britons
Derived Forms
pendragonship, noun
Word Origin
Welsh, literally: head dragon
Word Origin and History for pendragon
n.

"Welsh warlord" (mainly known now in Arthurian Uther Pendragon), late 15c., title of a chief leader in war of ancient Britain or Wales, from pen "head" (see pen-) + dragon, which figured on the standard of a cohort.