Dictionary definition · Base
noun
- a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries
- installation from which a military force initiates operations"the attack wiped out our forward bases"
- lowest support of a structure"it was built on a base of solid rock"
- a place that the runner must touch before scoring"he scrambled to get back to the bag"
- the bottom or lowest part"the base of the mountain"
verb
- use as a basis for; found on"base a claim on some observation"
- situate as a center of operations"we will base this project in the new lab"
- use (purified cocaine) by burning it and inhaling the fumes
adjective
- serving as or forming a base"the painter applied a base coat followed by two finishing coats"
- of low birth or station (‘base’ is archaic in this sense)"baseborn wretches with dirty faces"
- (used of metals) consisting of or alloyed with inferior metal"base coins of aluminum"
- not adhering to ethical or moral principles"base and unpatriotic motives"
Source: Open English WordNet (CC BY 4.0).