This is the 482nd most frequent Croatian word.
bolesnika
The Croatian word "bolesnika" means "patient" or "sick person" in English.
Here, 'bolesnika' is used in the accusative case as the direct object of the verb 'pregledao' (examined).
Liječnik je pregledao bolesnika.
The doctor examined the patient.
In this sentence, 'bolesnika' is again in the accusative case, as the direct object of the verb 'posjetili' (visited).
Posjetili smo bolesnika u bolnici.
We visited the patient in the hospital.
Here, 'bolesniku' is used in the dative case, indicating the indirect object to whom the medicine was given.