Present: rtib CD,DS. Past: brtibs CD,DS. Future: brtib CD,DS. Imperative: rtibs CD,DS. rtib CD. Voluntary: DS. Transitive: DS. Causative of: rdib [CD]. Meaning: 1. To break, pull down. 2. (in Sikkim) To beat thoroughly, thrash CD. To indent, make a mark on something DS.