Bai"ley (&?;), n. [The same word as bail line of palisades; cf. LL. ballium bailey, OF. bail, baille, a palisade, baillier to inclose, shut.] 1. The outer wall of a feudal castle. [Obs.]

2. The space immediately within the outer wall of a castle or fortress. [Obs.]

3. A prison or court of justice; -- used in certain proper names; as, the Old Bailey in London; the New Bailey in Manchester. [Eng.] Oxf. Gloss.

• The outer wall of a feudal castle.
  
• The space immediately within the outer wall of a castle or fortress.
  
• A prison or court of justice; -- used in certain proper names; as, the Old Bailey in London; the New Bailey in Manchester.
  

• an English occupational name for a steward or official
  
• an English topographic surname from someone who lived by a bailey (the outer wall of a castle)