1. c-command - Noun
2. c-command - Verb
c-command (uncountable)
(syntax) The relationship between a node in a parse tree and its sibling nodes (usually meaning the children of the first branching node that dominates the node) and all the sibling nodes' children.
c-command (third-person singular simple present c-commands, present participle c-commanding, simple past and past participle c-commanded)
(syntax, transitive) To dominate in a c-command relationship.