brigadier general

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A commissioned rank in the US Army, Air Force, or Marine Corps that is above colonel and below major general.
• noun One who holds this rank.

from The Century Dictionary.

• noun Same as brigadier.

from the GNU version of the Collaborative International Dictionary of English.

• (Mil.) An officer in rank next above a colonel, and below a major general. He commands a brigade, and is sometimes called, by a shortening of his title, simple a brigadier.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun military A military officer who commands a brigade.
• noun US, military A one star general.
• noun military A military rank between colonel and the second lowest general rank or major general, having an O7 NATO rank scale equivalency

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a general officer ranking below a major general