\Mo"ri*on\, n. [F. morion, Sp. morrion; cf. 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.
\Mo"ri*on\, n. [G.] (Min.) A dark variety of smoky quartz.