The Collaborative International Dictionary of English v.0.48:

Snood \Snood\, n. [AS. sn[=o]d. Cf. Snare.]
   1. The fillet which binds the hair of a young unmarried
      woman, and is emblematic of her maiden character. [Scot.]
      [1913 Webster]

            And seldom was a snood amid
            Such wild, luxuriant ringlets hid.    --Sir W.
                                                  Scott.
      [1913 Webster]

   2. A short line (often of horsehair) connecting a fishing
      line with the hook; a snell; a leader.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Snood \Snood\, v. t.
   To bind or braid up, as the hair, with a snood. [Scot.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

snood
    n 1: an ornamental net in the shape of a bag that confines a
         woman's hair; pins or ties at the back of the head