The document provides vocabulary definitions related to Pompeii being buried alive by the eruption of Mount Vesuvius. It defines 22 words describing the volcanic eruption and its effects, including ash, breathe, cloud, covered, cracking, crashing, dark, dust, enormous, escape, everyone, forgot, ground, higher, horrible, pebbles, piled, poisonous, pouring, protect, saved, scream, sea, smell, sound, suddenly, torches, trapped, tremble, waves, and windows.