Senses
殿军/ 殿軍 rearguard
The troops that stay at the back of a formation to protect the rear
殿军/ 殿軍 fourth place
The person or team that finishes in fourth place in a competition (following the champion, runner-up, and third place)
殿军/ 殿軍 last place
The person or team that finishes last in a competition or is the last to qualify