Relating to or belonging to a choir, or of or concerning the chorion (a membrane in embryos).
From Latin 'chorum' (choir) plus '-ial' (adjective suffix) for the musical meaning. For the biological meaning, from Greek 'chorion' (a membrane) plus '-ial,' referring to structures around the developing fetus.
This word is a homonym—'chorial' can mean both 'relating to singing in a choir' AND 'relating to an embryonic membrane.' Context is everything!
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