Wiktionary
vraic
n. (context Channel Islands English) seaweed gathered for use as a fertilizer or fuel.
Usage examples of "vraic".
Then the gathering of the vraic was a fete, and the lads and lasses footed it on the green or on the hard sand, to the chance flageolets of sportive seamen home from the war.
The great rocks La Coniere, La Longy, Le Gros Etac, Le Teton, and the Petite Sambiere, rise up like volcanic monuments from a floor of lava and trailing vraic, which at half-tide makes the sea a tender mauve and violet.
The thing itself would break the daily monotony of life and provide hushed gossip for vraic gatherings and veilles for a long time to come.
The seaweed, or vraic, that clothed the rocks in the bay and was washed up along the shore was lovely too.