Vocab InfoA18 Noun塁審(るいしん)base umpireDetailsExamples塁審base umpireDetailsExamplesDictionary DefinitionCommonNoun1. base umpireBaseballAll Forms塁審 【るいしん】DetailsAudioPlayExamplesThere are no sentences available for this contentHold tight, context sentences are coming soon!Self-Study SentencesStudy your own way!Add sentences and study them alongside Bunpro sentences.Try Bunpro