The definition of bailey is a protective wall surrounding a castle, or the outdoor space created by the castle's protective walls.
(noun)See bailey in Webster's New World College Dictionary
See bailey in American Heritage Dictionary 4
noun pl. bai·leys
Origin:
Origin: Middle English bailli
Origin: , from Old French baille
Origin: , probably from Latin bacula
Origin: , pl. of baculum, log, stick; see bacillus
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