いちるい 一塁 Common word LinksSentence search for 一塁Sentence search for いちるいSentence search for １塁Kanji details for 一 and 塁Edit in JMdict Noun1. first baseBaseballNoun2. first basemanBaseball, Abbreviation, See also 一塁手Noun3. one fortOther forms１塁 【いちるい】 Discussions Log in to talk about this word.