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trihedron

noun
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tri·​he·​dron | \ trīˈhēdrən \
plural trihedrons\ -​drənz \ or trihedra\ -​drə \

Definition of trihedron

: a figure formed by three planes meeting in a point

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History and Etymology for trihedron

New Latin, from tri- + -hedron

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“Trihedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trihedron. Accessed 6 Mar. 2021.

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