Spy \Spy\, n.; pl. Spies (sp[imac]z). [See Spy, v., and cf.
Espy, n.]
1. One who keeps a constant watch of the conduct of others.
"These wretched spies of wit." --Dryden.
[1913 Webster]
2. (Mil.) A person sent secretly into an enemy's camp, territory, or fortifications, to inspect his works, ascertain his strength, movements, or designs, and to communicate such intelligence to the proper officer. [1913 Webster]
Spy money, money paid to a spy; the reward for private or secret intelligence regarding the enemy.
Spy Wednesday (Eccl.), the Wednesday immediately preceding the festival of Easter; -- so called in allusion to the betrayal of Christ by Judas Iscariot. [1913 Webster]
Syn: See Emissary, and Scout. [1913 Webster]
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