A soft woolen fabric used especially for baby clothes.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "swan's-down" in a sentence
"The most delicate ruffles filled the front of his swan's-down vest and fell over his hands, which were remarkably white and small and taper-fingered, like a fine lady's."
"You will observe that he had half a yard of the finest cambric, as soft as a zephyr, and as warm as swan's-down, tied once round; and ending before in long deep borders of the most precious"
""I shall wear my red satin cloak trimmed with swan's-down," said she."