The American Heritage® Dictionary of the English Language, 4th Edition
n. The study of the overall aspects and workings of a national economy, such as income, output, and the interrelationship among diverse economic sectors.
n. The study of the entire economy in terms of the total amount of goods and services produced, total income earned, the level of employment of productive resources, and the general behavior of prices.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of economics that studies the overall working of a national economy
Word Usage
"We need a strong leader well experienced in macroeconomics, military tactics and foreign affairs to pull us out of what is boiling down to be 12 years of combined disastrous leadership (sic)."