enlarge, develop, or increase by degrees or in stages; "build up your savings"
change the use of and make available or usable; "develop land"; "The country developed its natural resources"; "The remote areas of the country were gradually built up"
form or accumulate steadily; "Resistance to the manager's plan built up quickly"; "Pressure is building up at the Indian-Pakistani border"
bolster or strengthen; "We worked up courage"; "build up confidence"; "ramp up security in the airports"
a line or route along which something travels or moves; "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
draw in (air); "Inhale deeply"; "inhale the fresh mountain air"; "The patient has trouble inspiring"; "The lung cancer patient cannot inspire air very well"
draw deep into the lungs in by breathing; "Clinton smoked marijuana but never inhaled"
having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"
a formation of military planes maintained over ground operations or targets; "an air umbrella over England"
a lightweight handheld collapsible canopy
covering or applying simultaneously to a number of similar items or elements or groups; "an umbrella organization"; "umbrella insurance coverage"