Webster's Revised Unabridged Dictionary · 1913

Morion

Morion , noun

[French morion, Sp. morrion; compare Sp. morra the upper part of the head, morro anything that is round.]

A kind of open helmet, without visor or beaver, and somewhat resembling a hat.
A battered morion on his brow. — Sir W. Scott

Morion , noun

[German]

(Mineralogy) A dark variety of smoky quartz.