From Longman Dictionary of Contemporary Englishconductorcon‧duc‧tor /kənˈdʌktə $ -ər/ ●●○ noun [countable] 1 APMsomeone who stands in front of a group of musicians or singers and directs their playing or singing2 British EnglishTT someone whose job is to collect payments from passengers on a bus3 American EnglishTTT someone who is in charge of a train and collects payments from passengers or checks their tickets SYN guard British English4 HPsomething that allows electricity or heat to travel along it or through it Wood is a poor conductor of heat. → lightning conductor
Examples from the Corpus
conductor• After each conductor leads the orchestra in the morning sessions, some will be called back for afternoon finals.• As the train pulled out the senior conductor came round.• Eventually Jim wins a competition and the conductor is reinstated.• Like the conductor Arnold Ostman, he started at the Vadstena Academy.• Perhaps the conductor program will indeed succeed in freeing musicians from the constraints of music's pre-determined parts - namely the notes.• How the hell was he going to get the information he required from her with the conductor prattling about?• The conductor punched our ticket and displayed it over the seat to indicate our destination.• The conductor William Llewellyn may well have had a few sleepless nights but must have been proud of his singers. 