The term PACHYDERM PERCH is a combination of two words. The first word, 'PACHYDERM, ' refers to a group of large mammals with thick skin, such as elephants, rhinoceroses, and hippopotamuses. The second word, 'PERCH, ' is a noun that describes a place where a bird or other animal can rest or sit. Together, the two words form the term 'PACHYDERM PERCH, ' which is a platform or seat that is placed on the back of an elephant or other large mammal for a person to ride. The crossword solution for this term is 'HOWDAH, ' which is a type of saddle-like structure used to carry people or goods on the back of an elephant.