lunchtime /ˈlʌnt͡ʃtaɪm/noun 2forms 1phrases 1 noun2 •The time or hour at or around which lunch is normally eaten. •A break in work or school to eat lunch.It's almost lunchtime, so I think I'll finish up later this afternoon. formslunchtimes Phrases with lunchtime legend in one's own lunchtimeOne whose fame is insignificant, fleeting or imaginary.