Term: roller coaster: elevated railway in an amusement park (usually with sharp curves and steep inclines)
Broader: social group: people sharing some social relation | Unrelated: bank closing: act of closing down a bank because of a fiscal emergency or failure
Broader: social group: people sharing some social relation | Unrelated: genus cotoneaster: genus of deciduous or evergreen Old World shrubs widely cultivated
Broader: social group: people sharing some social relation | Unrelated: popcorn ball: popcorn combined with a thick sugar or molasses or caramel syrup and formed into balls
Broader: social group: people sharing some social relation | Unrelated: confidentiality: discretion in keeping secret information
Broader: social group: people sharing some social relation | Unrelated: hydra: small tubular solitary freshwater hydrozoan polyp
Broader: social group: people sharing some social relation | Unrelated: contact: the act of touching physically
Broader: social group: people sharing some social relation | Unrelated: stamp: machine consisting of a heavy bar that moves vertically for pounding or crushing ores
Broader: social group: people sharing some social relation | Unrelated: round bone: bones that are round in shape
Broader: social group: people sharing some social relation | Unrelated: oleaster: any of several shrubs of the genus Elaeagnus having silver-white twigs and yellow flowers followed by olivelike fruits
Broader: social group: people sharing some social relation | Unrelated: turning: the activity of shaping something on a lathe