1. [n]  an idle indulgence in fantasy
2. [adj]  dreamy in mood or nature; "a woolgathering moment"

Wool Gathering
Twenty-four interconnected poems tell the story of the family reunion held by a flock of sheep. Watercolor illustrations accompany the verses.

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1. \Wool"gath`er*ing\, a.
   Indulging in a vagrant or idle exercise of the imagination;
   roaming upon a fruitless quest; idly fanciful.
   

2. \Wool"gath`er*ing\, n.
   Indulgence in idle imagination; a foolish or useless pursuit
   or design.
         His wits were a woolgathering, as they say. --Burton.