Wordnet 3.0
ADJECTIVE (1)
1. 
 delayed or shut in by bad weather; 
- Example: "weather-bound traffic"- Example: "irritable weather-bound children"
The Collaborative International Dictionary of English v.0.48:
confined \confined\ adj.
   1. having movement restricted to within a certain area; --
      usually a building. Opposite of unconfined.
   Note: [Narrower terms: claustrophobic; close, confining;
         homebound, housebound, shut-in; in
         childbed(prenominal); pent, shut up(predicate);
         snowbound; weather-bound; stormbound,
         storm-bound]
         [WordNet 1.5]
   2. deprived of liberty; especially placed under arrest or
      restraint.
      [WordNet 1.5]
   3. having movement restricted to within an enclosed outdoor
      area; -- of animals.
   Syn: fenced in, penned.
        [WordNet 1.5]
   4. (Med.) not invading healthy tissue.
      [WordNet 1.5]
   5. held prisoner.
   Syn: captive, imprisoned, jailed.
        [WordNet 1.5]
   6. having movement or progress restricted to a certain area;
      as, an outbreak of the plague confined to one quarter of
      the city; wildfires confined to within the canyon.
      [PJC]
The Collaborative International Dictionary of English v.0.48:
Weather-bound \Weath"er-bound`\, a.
   Kept in port or at anchor by storms; delayed by bad weather;
   as, a weather-bound vessel.
   [1913 Webster]
WordNet (r) 3.0 (2006):
weather-bound
    adj 1: delayed or shut in by bad weather; "weather-bound
           traffic"; "irritable weather-bound children"