本ほん塁るい打だ王おう

ほ

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だ

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Meanings

1

noun

home run king; home run leader

baseball

Baseball term for the player who hits the most home runs in a league or season.

本book, present, main

塁bases, fort, rampart

打strike, hit, knock

王king, rule, magnate

本ほん塁るい打だ
本塁打 means 'home run'; 本塁打王 is the title or person who leads in home runs.
打だ点てん王おう
打点王 is the RBI leader; 本塁打王 is specifically for home runs.

Compound of 本塁打 (home run) + 王 (king, champion).