D defs.my
Entry 6 senses · 3 variants Webster, 1913

Spy

/(spī)/ · IPA /spaɪ/
01 v. t. To gain sight of; to discover at a distance, or in a state of concealment; to espy; to see.
imp. & p. p. Spied; p. pr. & vb. n. Spying
  1. 1.
    To gain sight of; to discover at a distance, or in a state of concealment; to espy; to see.
    “One, in reading, skipped over all sentences where he spied a note of admiration.” Swift.
  2. 2.
    To discover by close search or examination.
    “Look about with your eyes; spy what things are to be reformed in the church of England.” Latimer.
  3. 3.
    To explore; to view, inspect, and examine secretly, as a country; -- usually with out.
    “Moses sent to spy out Jaazer, and they took the villages thereof.” — Num. xxi. 32.
02 v. i. To search narrowly; to scrutinize.
  1. 1.
    To search narrowly; to scrutinize.
    “It is my nature's plague To spy into abuses.” Shak.
03 n. One who keeps a constant watch of the conduct of others.
pl. Spies ((spīz))
  1. 1.
    One who keeps a constant watch of the conduct of others.
  2. 2.
    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.(Mil.)
Phrases & compounds
Spy money — money paid to a spy; the reward for private or secret intelligence regarding the enemy.
Spy Wednesday — the Wednesday immediately preceding the festival of Easter; -- so called in allusion to the betrayal of Christ by Judas Iscariot.
Syn. See Emissary, and Scout.