oath /ˈoθ/
  誓言,宣誓,詛咒
  Oath n.; pl. Oaths
  1. A solemn affirmation or declaration, made with a reverent appeal to God for the truth of what is affirmed. “I have an oath in heaven”
     An oath of secrecy for the concealing of those [inventions] which we think fit to keep secret.   --Bacon.
  2. A solemn affirmation, connected with a sacred object, or one regarded as sacred, as the temple, the altar, the blood of Abel, the Bible, the Koran, etc.
  3. Law An appeal (in verification of a statement made) to a superior sanction, in such a form as exposes the party making the appeal to an indictment for perjury if the statement be false.
  4. A careless and blasphemous use of the name of the divine Being, or anything divine or sacred, by way of appeal or as a profane exclamation or ejaculation; an expression of profane swearing. “A terrible oath”
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  oath
       n 1: profane or obscene expression usually of surprise or anger;
            "expletives were deleted" [syn: curse, curse word, expletive,
             swearing, swearword, cuss]
       2: a commitment to tell the truth (especially in a court of
          law); to lie under oath is to become subject to
          prosecution for perjury [syn: swearing]
       3: a solemn promise, usually invoking a divine witness,
          regarding your future acts or behavior; "they took an oath
          of allegience"
  Oath
     a solemn appeal to God, permitted on fitting occasions (Deut.
     6:13; Jer. 4:2), in various forms (Gen. 16:5; 2 Sam. 12:5; Ruth
     1:17; Hos. 4:15; Rom. 1:9), and taken in different ways (Gen.
     14:22; 24:2; 2 Chr. 6:22). God is represented as taking an oath
     (Heb. 6:16-18), so also Christ (Matt. 26:64), and Paul (Rom.
     9:1; Gal. 1:20; Phil. 1:8). The precept, "Swear not at all,"
     refers probably to ordinary conversation between man and man
     (Matt. 5:34,37). But if the words are taken as referring to
     oaths, then their intention may have been to show "that the
     proper state of Christians is to require no oaths; that when
     evil is expelled from among them every yea and nay will be as
     decisive as an oath, every promise as binding as a vow."