mournival UK /ˈmɔː.nɪ.vəl/US /ˈmɔɹ.nɪ.vəl/ noun2 •(no longer used) In the game of gleek, and other card games, a set of four cards of the same face value.Before George, there's not enough to rig out a Mournival of VVhores: they'l think me grown a meer Curmudgeon. Mercy on me, how will this glorious Trade be carri'd on, with such a miserable Stock! — 1677 •(no longer used, rare) A set of four people or things; a quartet.The Emperor, flanked by his Custodes, and Horus along with his Mournival of captains teleported onto the ship, but were scattered across the vast command decks by sinister magicks. — 2010 formsmournivals