Misprision
Misprision , noun
[Late Latin misprisio, or Old French mesprison, prop., a mistaking, but confused with Old French mespris contempt, French mépris. See 2d Misprise, Misprize, Prison.]
1.
The act of misprising; misapprehension; misconception; mistake. [Archaic] — Fuller
The misprision of this passage has aided in fostering the delusive notion.
2.
Neglect; undervaluing; contempt. [Obsolete] — Shakespeare
3.
(Law) A neglect, negligence, or contempt.
In its larger and older sense it was used to signify “every considerable misdemeanor which has not a certain name given to it in the law.” Russell.
In a more modern sense it is applied exclusively to two offenses: --
1. Misprision of treason, which is omission to notify the authorities of an act of treason by a person cognizant thereof. Stephen.
2. Misprision of felony, which is a concealment of a felony by a person cognizant thereof. Stephen.