老三届 lǎosānjiè Class of 66-68 Origin Definitions Defs Strokes Stroke Words Sentences Sents 老 lǎo adjective long-standing of long standing; existing for a long time; original; former三 sān numeral three the number three; 3届 屆 jiè measure word [session] Used for sessions of regularly held conferences, meetings, sporting events, or for graduation years and terms of office.