Wiktionary
summary offence
n. (context legal British Australian Canadian English) A crime in some common law jurisdictions that can be proceeded against summarily, without the right to a jury trial and/or indictment, as required for an indictable offence.
Wikipedia
Summary offence
A summary offence is a crime in some common law jurisdictions that can be proceeded against summarily, without the right to a jury trial and/or indictment (required for an indictable offence).