It is the plural form of the definite articles (le, la, English "the"). There is only one form, no gender agreement for plural definite articles (unlike Spanish).
Les trains means "the trains" in English.
les desserts means desserts in English.
"pendre les vêtements" means "to hang the clothes" in English.
Do you mean 'les portes'? That means 'the doors' (:
"les petits" means "small ones", "kids".
Les trains means "the trains" in English.
"Les pics" means "the peaks" (as in mountain peaks) in English.
"Les souliers" means "the shoes" in English.
dans les quatre means 'in the four' in English.
les fauteuils means chairs in English.
les desserts means desserts in English.
trouve les objets means "find the objects" in English.
"pendre les vêtements" means "to hang the clothes" in English.
J'aime les voitures et les chevaux means: "I like cars and horses" in English.
It means- Wednesdays
Toutes les bonnes in French means means "all the good (female) ones" in English.
les amis means 'friends' in French.