primary offense
noun1
Law The most serious offence of a group of offenses that a person committed at the same time, or is charged with committing at the same time.
noun — 2 senses
Law The most serious offence of a group of offenses that a person committed at the same time, or is charged with committing at the same time.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.