noun

• (uncountable) The state, quality, or condition of being wrong.
  ""Am I in error in marking out the s in the word assistants used in the following manner? [...]""
• (countable) A mistake; an accidental wrong action or a false statement not made deliberately.
  "There was a large error in the accounts."
• (countable, uncountable) Sin; transgression.
• (computing, countable) A failure to complete a task, usually involving a premature termination.

verb

• (computing) To function improperly due to an error, especially accompanied by error message.
  "The web-page took a long time to load and errored out."
• (telecommunications) To show or contain an error or fault.
  "The block transmission errored near the start and could not be received."
• (nonstandard) To err.
  "Pixels which are mathematically outside of a triangle, but which are included for anti-aliasing purposes can be generated with colour and depth information outside of the valid range. The ADE should identify these cases and clamp the output to the minimum or maximum value depending on the direction it has errored in."