- any member of the pre-Celtic inhabitants of Ireland who were defeated by the Tuatha De Danann.
Examples from the Web for firbolgs
The Firbolgs, a rude people, held Ireland for a long period.
Page 368—Firbolgs amended to Fir-Bolgs, in line with other occurrences.Folklore as an Historical Science
George Laurence Gomme
Slaine of the Firbolgs was he by whom Temair was first raised.An Illustrated History of Ireland from AD 400 to 1800
Mary Frances Cusack
This third body of invaders is known collectively as Firbolgs, and is ethnologically and historically very important.
The Firbolgs had scarcely established themselves in the island when a fresh set of invaders appeared on the scene.
Word Origin and History for firbolgs
1797, ancient supernatural people of Ireland (enemies of the Dannans), perhaps from Old Irish fir, plural of fear "man" + bolg, genitive plural of bolg "bag, belly;" or second element may be cognate with Gaulish Belgae.