This is the 6705th most frequent Japanese word.
バット
"バット" (batto) in Japanese means "bat," referring to either a baseball bat or a flying mammal, depending on context.
Here, バット (bat) refers to a baseball bat, used as a sports equipment.
彼はバットでボールを打った。
He hit the ball with a bat.
In this context, バット (bat) is part of the proper noun バットマン (Batman), referring to the specific superhero character.
その映画はバットマンについての話です。
That movie is about Batman.
In this instance, バット is used to refer to badminton as a sport, showing a different application of the word.