What does the word thrice mean?

Usage examples for thrice

  1. Twenty- four hours later there came out of the north the thrice blessed brigade of the H. B. C., bound down the lake to Grand Rapids, where the canoes would separate into two parties, one going up the Saskatchewan to Cumberland House, the other down to the country of the Assiniboine. – The Maid of the Whispering Hills by Vingie E. Roe
  2. Thrice welcome darling of the spring." – My Studio Neighbors by William Hamilton Gibson
  3. Thrice over the trench loudly shouted noble Achilles, and thrice were the Trojans and their illustrious allies thrown into confusion. – The Iliad of Homer (1873) by Homer