'Nonappearance' definitions:

Definition of 'nonappearance'

(from WordNet)
noun
Failure to appear (especially as at court)

Definition of 'Nonappearance'

From: GCIDE
  • Nonappearance \Non`ap*pear"ance\, n. Default of appearance, as in court, to prosecute or defend; failure to appear. [1913 Webster]