Playtyrrhine = a New World (Central and South American) monkey
Cercopithecoid = an Old World (Africa, Eurasia, and island Southeast Asia) monkey
One of the most distinguishing, external features is that NWMs have a prehensile tail, while their cousins, the OWMs, do not.
Alternatively...
Primate = an all-inclusive term for both strepsirrhines (i.e., lemurs, lorises, and galagos) and haplorhines (i.e., tarsiers, new and old world monkeys, and apes)
The scientific name for a ape is a Hominoidea. There are 2 main branches of apes; the gibbons and the hominids.
Another name for monkey is Waka-Flaka
simian
Another name for snow monkey is white monkey.
pigme monkey
it is a monkey or a ape
Aliens
A sajou is another name for a spider monkey or capuchin.
another term for 'monkey see monkey do'
hicktown heros or redneck rodents
A waag is another name for a grivet, an African monkey, Latin name Chlorocebus aethiops.
"Ground nuts" or "earth nuts" is another name for peanuts, goober nuts, monkey nuts or pig nuts.
monkey had no name! it was just a monkey!
Hanuman langur or grey langur,
Monkeys are very social creatures, and in an ideal situation, they would need another monkey as a companion.