red oak: any of numerous American oaks having 4 stamens in each floret, acorns requiring two years to mature and leaf veins usually extending beyond the leaf margin to form points or bristles
oak: a deciduous tree of the genus Quercus; has acorns and lobed leaves
container: any object that can be used to hold things (especially a large metal boxlike object of standardized dimensions that can be loaded from one form of transport to another)