立たち会あい人にんTop 15000MeaningsNoun1. witness; observerKanji used立standing up会meeting人personPitch accentたちあいにんComposed of立たち会あいpresence (e.g. of an observer); observation; observer; witness; trading session (at an exchange); rising from a crouch to charge; initial charge; face-offNoun人にんcounter for peopleCounter