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Use "halcyons" in a sentence
"[109] The birds called halcyons were said to build their nests on the water, and, while they were brooding, to keep it calm."
"In the midst of this inextricable mass of plants and sea weed, I noticed some charming pink halcyons and actiniae, with their long tentacles trailing after them, and medusae, green, red, and blue."
"The halcyons skim over the water and are common every where."