Prison/ˈprɪzn/ Definition 1 of 3Pro Tip 1/3Punishment Context Used when talking about legal consequences of crimes. Anyone found guilty could end up in prison. Pro Tip 2/3Time-Specific Prison terms are often discussed in durations. She received a ten-year prison sentence. Pro Tip 3/3Escape Narratives Stories of prison breaks are common in media and conversation. The movie focused on a daring prison escape.