いちどう 一堂 Common word Show 1 collocation 一堂に会する - to assemble (in a hall) LinksSentence search for 一堂Sentence search for いちどうKanji details for 一 and 堂Edit in JMdict Noun1. one building (hall, temple, shrine, room)Noun2. same room; same place; same building Discussions Log in to talk about this word.