| MAC | the ratio of the speed of a moving body to the speed of sound |
|---|---|
| MAC | wildflowers of western North America |
| MAC | wild aster having leafy stems and flower heads with narrow bright reddish-lavender or purple rays |
| MAC | wild aster with fernlike leaves and flower heads with very narrow bright purple rays |
| MAC | wild aster having grayish leafy stems and flower heads with narrow pale lavender or violet rayes |
| MAC | a large heavy knife used in Central and South America as a weapon or for cutting vegetation |
| MAC | a statesman of Florence who advocated a strong central government (1469-1527) |
| MAC | of or relating to Machiavelli or the principles of conduct he recommended |
| MAC | the political doctrine of Machiavelli: any means (however unscrupulous) can be used by a ruler in order to create and maintain his autocratic government |
| MAC | supply with projecting galleries |
| MAC | a projecting parapet supported by corbels on a medieval castle |
| MAC | wingless insect living in dark moist places as under dead tree trunks |