genus Calocedrus ge·nus·ca·locedrus uncommon noun 1. tall evergreens of western North America and eastern Asia; formerly included in genus Libocedrus SynonymsCalocedrusgenus Calocedrus Related words Broader terms gymnosperm genus Parts Cupressaceae Part of incense cedar WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.