Northwestern North`west"ern, a. Of, pertaining to, or being in, the northwest; in a direction toward the northwest; coming from the northwest; northwesterly; as, a northwestern course., Southwestern South`west"ern, a. Of or pertaining to the southwest; southwesterly; as, to sail a southwestern course., Chinquapin Chin"qua*pin, n. (Bot.) A branching, nut-bearing tree or shrub (Castanea pumila) of North America, from six to twenty feet high, allied to the chestnut. Also, its small, sweet, edible nat. [Written also chincapin and chinkapin.] Chinquapin oak, a small shrubby oak (Quercus prinoides) of the Atlantic States, with edible acorns. Western Chinquapin, an evergreen shrub or tree (Castanopes chrysophylla) of the Pacific coast. In California it is a shrub; in Oregon a tree 30 to 125 feet high., Greek schism (Eccl.), the separation of the Greek and Roman churches. Great schism, or Western schism (Eccl.) a schism in the Roman church in the latter part of the 14th century, on account of rival claimants to the papal throne. Schism act (Law), an act of the English Parliament requiring all teachers to conform to the Established Church, -- passed in 1714, repealed in 1719., Wallflower Wall"flow`er, n. 1. (Bot.) A perennial, cruciferous plant (Cheiranthus Cheiri), with sweet-scented flowers varying in color from yellow to orange and deep red. In Europe it very common on old walls. Note: The name is sometimes extended to other species of Cheiranthus and of the related genus Erysimum, especially the American Western wallflower (Erysimum asperum), a biennial herb with orange-yellow flowers. 2. A lady at a ball, who, either from choice, or because not asked to dance, remains a spectator. [Colloq.], Westerner West"ern*er, n. A native or inhabitant of the west., Westernmost West"ern*most`, a. Situated the farthest towards the west; most western.