reserve (verb) – reservar
(Pronounced reh-sehr-bahr)
To remember that reserve is pronounced reh-sehr-bahr (reservar) in Spanish, use the following mnemonic:
You can reserve a table, but you can't reserve the whole bar (reservar).

Examples of reservar (reserve) in a sentence
Quiero reservar una mesa para dos personas esta noche.
(I want to reserve a table for two people tonight.)
¿Puedes reservar las entradas para el concierto?
(Can you reserve the tickets for the concert?)
Necesito reservar una habitación en el hotel para el fin de semana.
(I need to reserve a hotel room for the weekend.)