Definition of galahad:
(n) :
(Arthurian legend) Sir Galahad, son of Sir Lancelot, a knight of King Arthur's Round Table famously known for his purity and who was one of the three achievers of the quest for the Holy Grail.
(n) :
A man considered to be pure, noble, or chivalrous.
(n) :
A hamlet in Flagstaff County, in east-central Alberta.
(n) :
(rare) A male given name from the Celtic languages in occasional use since the 19th century.