In practice, “lesser crime” is a descriptive label, not a term of art. Lawyers in the UK and Ireland usually say “lesser offence” or “lesser included offence”. It refers either to: (a) an offence of lower seriousness (for example, a summary offence rather than an indictable-only offence), or (b) an offence included within a more serious charge, where the lesser included offence contains some but not all elements of the greater (e.g., common assault as an alternative to assault occasioning ABH; theft as an alternative to robbery).The concept of the lesser included offence is recognised across England & Wales, Scotland, Northern Ireland and Ireland through a mix of statute and case law permitting alternative verdicts where supported by the evidence. Judges may (and sometimes must) leave an alternative verdict to the jury; prosecutors may accept a plea to a lesser offence; and defence practitioners often seek jury directions on lesser included offences.Practically, the term matters for charging decisions, plea negotiations, jury directions, verdicts and sentencing scope. Usage is broadly consistent across the four jurisdictions, though terminology differs: England & Wales and Northern Ireland typically use “offence”; Scotland often uses “crime” in practice. Related search terms: lesser included offence, alternative verdict, summary offence, triable either way, indictable offence.