This is the 619th most frequent Finnish word.
biden
The Finnish word "biden" has no meaning in Finnish; it refers to "Biden," a surname, commonly associated with Joe Biden, the President of the United States.
In this context, 'Biden' refers to a proper noun, specifically the last name of Joe Biden, used to denote the individual.
Hän antoi äänen Bidenille.
He/she voted for Biden.
Here 'biden' acts as a conjugation of the verb 'bideä,' used to mean 'thoroughly explain or detail,' which is a rare usage.
Elokuva biden yksityiskohtaisesti poliittisia tapahtumia.
The movie thoroughly details political events.
In this context, 'Bidenin' is the genitive case of 'Biden,' indicating possession or relation.