Definition of "fleecy"

Her path was on the briny deep;Yet no white sail propell'd her course,Nor measured oar with graceful sweepUrged her to stem the billow's force;Self-moved, with fleecy track she past,Disdaining in her prideTo woo the breeze or shun the blast,Or wait the rolling tide;...

1827, Lydia Sigourney, Poems, On the loss of the Steam Boat Ætna, page 96

{...} turning to take a last glance into the valley, whence a light mist mounted and formed a fleecy cloud on the skirts of the blue.

1847, Emily Brontë, chapter XX, in Wuthering Heights‎

So this was my future home, I thought! […] Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

1908, W[illiam] B[lair] M[orton] Ferguson, chapter IV, in Zollenstein, New York, N.Y.: D. Appleton & Company

Here the galley paused not at all, but floated easily in the blue of the sky among fleecy clouds tinted with rose.

1920, H. P. Lovecraft, Celephaïs