1
general::
Phrase(s): head something up
1. Lit. to get something pointed in the right direction. (Especially a herd of cattle or a group of covered wagons.) • Head those wagons up—we’re moving out. • Head up the wagons! 2. Fig. to be in charge of something; to be the head of some organization. • I was asked to head the new committee up for the first year. • Will you head up the committee for me?
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Be in charge of, lead, as in She headed up the commission on conservation. [Colloquial; mid-1900s]
American Heritage Idioms