heliodon

noun

he·​li·​o·​don

ˈhēlēəˌdän

plural -s

: a device consisting of a pivoted platform and a spotlight on a vertical track used to simulate sun and shadow orientation for any latitude and day of year for a proposed building

Word History

Etymology

New Latin, from heli- entry 1 + -odon (from Greek hodos way, path)

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