skeins is a form of:

Skein



noun
1.
(a loosely coiled bundle of yarn or thread, quantity of thread or yam wound in a loose coil) ដុំ (អំបោះ), ហុង (អំបោះ, សូត្រ), ការសាំញ៉ាំ
ENGLISH MEANING
noun
1.
A metallic strengthening band or thimble on the wooden arm of an axle.
2.
A quantity of yarn, thread, or the like, put up together, after it is taken from the reel, -- usually tied in a sort of knot.
3.
A flight of wild fowl (wild geese or the like).