Primitive primates having large ears and eyes and characterized by nocturnal habits

Wiktionary Word definitions in Wiktionary
a. Of or from the '''prosimian''' suborder of primates. n. A primate that is not a monkey or an ape, generally nocturnal with large eyes and ears. Such primates were formerly grouped in the suborder ''(taxlink Prosimii suborder noshow=1)'', but are now ...

WordNet Word definitions in WordNet
n. primitive primates having large ears and eyes and characterized by nocturnal habits

Wikipedia Word definitions in Wikipedia
Prosimians are a type of primate that includes all living and extinct strepsirrhines ( lemurs , lorisoids , and adapiforms ), as well as the haplorhine tarsiers and their extinct relatives, the omomyiforms . They are considered to have characteristics that ...