Webster’s Revised Unabridged Dictionary · 1913
Bailey
Bai′ley (bā′ly̆), 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.