To wind something like yarn or thread into a long, loose coil.
Skeined can make people think of crafts, knitting, or making things with string.
Examples:
She skeined the yarn into a big ball.
I like to watch my mom skein yarn.
The cat played with the skeined yarn.
The yarn got skeined up and made a big mess!
She skeined the yarn so much, it went all the way around the room.
He skeined the string into a big, bouncy ball.