猿

three wise monkeys (who "see no evil, hear no evil, and speak no evil")

ninja (esp. those serving the Uesugi clan during the Sengoku period)

squirrel monkey (esp. the common squirrel monkey, Saimiri sciureus)

lemur

Celebes crested macaque (Macaca nigra); crested black macaque; Sulawesi crested macaque; black ape

any monkey of family Cebidae (esp. the capuchin monkeys of genus Cebus, but also including marmosets, tamarins and squirrel monkeys)

tarsier (Tarsius syrichta); specter lemur; spectre lemur

year of the Monkey

Japanese macaque (Macaca fuscata)

howler monkey

green monkey (Chlorocebus sabaeus)

Familiar

monkey; ape

rhesus monkey (Macaca mulatta); rhesus macaque

Smilax china (species of sarsaparilla)

spider monkey

Word usually written using kana alone

rosefinch (any finch of genus Carpodacus)

Rare term

monkey

say-no-evil monkey (one of the three wise monkeys)

proboscis monkey (Nasalis larvatus); long-nosed monkey

gibbon

prosimian

primates

old man's beard (any lichen of genus Usnea)

passion; passions

monkey booze; sake-like liquid produced by the fermentation of fruits left by monkeys in tree caches or hollows in rocks