traptraptrapstrappedtrapping2verb (traps, trapping, trapped)1to keep somebody in a place that they cannot escape from: They were trapped in the burning building.2to catch or trick somebody or something: Police are hoping this new evidence could help trap the killer. traptraptraps1noun1a thing that you use for catching animals: The rabbit's leg was caught in a trap.2a plan to trick somebody: I knew the question was a trap, so I didn't answer it.