1. Adjective.  The ordinal number corresponding to the cardinal number two.
  2. Adjective.  Number-two; following immediately after the first one.
  3. Adjective.  That which comes after the first. .
  4. Noun.  (context, usually in the plural) A manufactured item that, though still usable, fails to meet quality control standards.
  5. Noun.  (context, usually in the plural) An additional helping of food.
  6. Noun.  Another chance to achieve what should have been done the first time, usually indicating success this time around. (See second-guess.).
  7. Noun.  (music) The interval between two adjacent notes in a diatonic scale (either or both of them may be raised or lowered from the basic scale via any type of accidental).
  8. Noun.  The second gear of an engine.
  9. Noun.  (baseball) Second base.
  10. Noun.  (historical) A dueller's assistant.
  11. Noun.  The SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest; one-sixtieth of a minute.
  12. Noun.  A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.
  13. Noun.  A short, indeterminate amount of time.
  14. Verb.  (transitive, UK) Transfer temporarily to alternative employment.
  15. Verb.  (transitive) To assist.
  16. Verb.  (transitive) To agree as a second person to (a proposal), usually to reach a necessary quorum of two.
  17. Noun.  The attendant of a contestant in a duel or boxing match, who must be ready to take over if the contestant drops out. In the case of a duel, the seconds may also fight each other at 90° to the other contestants.
  18. Noun.  One who agrees in addition, or such a motion, as required in certain meetings to pass judgement etc.

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This entry was last updated on RefTopia from its source on 3/20/2012.