This is the 16462nd most frequent Polish word.
wiceliderką
"Wiceliderką" means "vice-leader" (female), referring to a woman in the second leadership position.
Here, 'wiceliderką' indicates the person holding the position of second place in a competition.
W polskim turnieju szachowym została wiceliderką, zdobywając drugie miejsce.
In the Polish chess tournament, she became the vice-leader, taking second place.
In this sentence, 'wiceliderką' is used to denote the person who is in the position just below the leader in a competitive race context.
Po zaciętej walce na trasie rowerowej Anna została wiceliderką zawodów.
After a fierce fight on the bike course, Anna became the vice-leader of the competition.
This usage of 'wiceliderką' refers to Maria's ranking or leadership role within a team at the beginning of the season.