Definition of tree shrew
: any of a family (Tupaiidae of the order Scandentia) of small southeast Asian mammals that resemble squirrels, are of semiarboreal or terrestrial habit, feed chiefly on insects and fruit, and are sometimes classified as true insectivores or primitive primates
Learn More about tree shrew
Britannica.com: Encyclopedia article about tree shrew
Seen and Heard
What made you want to look up tree shrew? Please tell us where you read or heard it (including the quote, if possible).