The crossword solution for the term 'lemur cousin' is 'APE, ' which is a three-letter word. Apes are a type of primate that are closely related to humans and are found in tropical and subtropical regions of Africa, Asia, and the Americas. They are known for their intelligence and ability to use tools. Lemurs are also primates, but they are found only on the island of Madagascar. They are more distantly related to humans than apes, but share some common characteristics.