a small order comprising only the tree shrews: in some classifications tree shrews are considered either primates (and included in the suborder Prosimii) or true insectivores (and included in the order Insectivora) • Syn: order Scandentia • Hypernyms: animal order • Member Holonyms: Eutheria, subclass Eutheria • Member Meronyms: Tupaiidae, family Tupaiidae