This is the 7753rd most frequent French word.
sagui
Sagui: Marmoset (a small monkey).
Here, 'sagui' is used as a noun indicating the species of animal.
Le sagui est un petit singe originaire d'Amérique du Sud.
The marmoset is a small monkey native to South America.
In this sentence, 'sagui' shows usage as a singular noun referring to an individual marmoset in a descriptive context.
J'ai vu un sagui se déplacer rapidement entre les branches.
I saw a marmoset moving quickly among the branches.
Here, 'saguis' is plural, demonstrating the word's plural form and referring to multiple marmosets.