rebounder
n.— «The room also has a rebounder, a small trampoline used for stimulating the lymphatic system.» —“Create sacred spaces in home” by Mary Beth Breckenridge Akron Beacon Journal (Ohio) Jan. 30, 2009. (source: Double-Tongued Dictionary)
Further reading
Dan, an accountant in Cincinnati, Ohio, wonders about the origin of the term bean counter. This is part of a complete episode.
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