You are correct!
From our dictionary:
1. a length of yarn or thread wound on a reel or swift preparatory for use in manufacturing.
2. anything wound in or resembling such a coil: a skein of hair.
3. something suggestive of the twistings of a skein: an incoherent skein of words.
4. a flock of geese, ducks, or the like, in flight.
5. a succession or series of similar or interrelated things: a skein of tennis victories.