Definition of "bardic"

In this questionary God is described as the life of ab Hywel Swrdwal, a poet who flourished about 1450, a good deal of insight is given into the Bardic philosophy of existence.

1928, Lewis Spence, Mysteries of Britain, page viii. 180

[...] especially at Samhain, Yule, and Oimelc/Imbolg/Brigantia, we'd gather everyone into the living room around the fireplace and present our ritual enactments, hold our bardics, play music, dance, etc.—all before the great altar.

2006, Oberon Zell-Ravenheart, Morning Glory Zell-Ravenheart, Creating Circles and Ceremonies: Rituals for All Seasons and Reasons

[...] in the bucolic bardics of BJ, whose eclogues insisted on rhyme [...]

2012, Joshua Cohen, Four New Messages

Laureans were as crazy for baths as they were for bardics.

2015, Deborah Ross, Northlight, page 9