order Eubryales or·de·reub·ryales uncommon noun 1. mosses with perennial erect gametophores and stems with rows of leaves and drooping capsules SynonymsEubryalesorder Eubryales Related words Broader terms plant order Parts Bryopsida Part of BryaceaeMniaceae WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.