c-command

Etymology
A shortened form of "constituent command." The term may also have been chosen so as to eliminate confusion in speech with the similar notion.

Noun

 * 1)  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.

Verb

 * 1)  To dominate in a c-command relationship.