to stamp or punch (a ticket) to validate it before boarding a train or a bus
regularauxiliary: avoir
Conjugate composter in French. Present: je composte, tu compostes, il/elle/on composte. Passé composé: j’ai composté. Past participle: composté. Auxiliary: avoir. Pronunciation and examples available.
Je composte le billet à la borne avant de monter dans le train.
I compost the ticket at the terminal before getting on the train.
J’ai composté le billet à l'entrée du quai juste avant le départ.
I stamped the ticket at the entrance of the down just before departure.
Je compostais le billet à la borne avant chaque trajet en train.
I composed the ticket at the terminal before each train trip.
Je composterai le billet à la borne avant de monter dans le train demain.
I will compost the ticket at the terminal before getting on the train tomorrow.