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"
protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior
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"
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audio tape and compact disc