merendar
to snack
merienda
snack
+
-ar
verb suffix
Merendar means to snack and can be thought of as the verb form of merienda0 (snack0) with the verb suffix1 -ar1.
verb
- to snackTo have an afternoon snack or light mealVamos a merendar en el parque. // Let's have a snack in the park.