nounAinmfhocal1additional weightballastamasc4cmuballast tankumar ballastashe used a sandbag as ballastbhí mála gainimh aici mar bhallastait lent ballast to the argumentchuir sé teannadh leis an argóint2small stonesballastamasc4cmuthe ballast between the railsan ballasta idir na ráillí