Definition of Proparia
: an order of trilobites in which the posterior branch of the facial suture cuts the lateral margin of the cephalon
proparian\-ēən\ noun or adjective
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Origin and Etymology of proparia
New Latin, from 1pro- + Greek pareia cheek, cheekpiece of a helmet, probably from para- + -eia (akin to Greek ous ear) — more at ear
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