- any of several anthozoans of the order Gorgonacea, in which the colony assumes a featherlike shape.
Origin of sea feather
First recorded in 1615–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for sea feather
"No," said I, "take this," and he seized the sea-feather and pulled it in.
It was a pretty big thing, for it was a sea-feather over five feet high,—a regular tree.
He just put one hand under my right arm, in which I held the sea-feather, and then we struck out together for the boat.
There was a lot of curious things on the piece of rock which had come up with the sea-feather.