Ma'anar ƙamus na kalmar "Pendragon" tana nufin wani take ko kalmar da aka yi amfani da shi a cikin almara na Arthur don komawa ga shugaban Knights na Zagaye Tebur, yawanci Sarki Arthur. Kalmar "Pendragon" ta samo asali ne daga harshen Welsh, kuma tana nufin "babban dragon" ko "dogon kai". An yi imani da cewa Pendragon ne ke da alhakin kare mulkin daga barazana, kuma an zaba shi don jaruntaka, hikima, da iyawar jagoranci. A cikin amfani da zamani, ana amfani da kalmar "Pendragon" wani lokaci don yin nuni ga wanda ake ganin shugaba ko jarumi.