line thrown from a vessel that people can cling to in order to save themselves from drowning
line that raises or lowers a deep-sea diver
support that enables people to survive or to continue doing something (often by providing an essential connection); "the airlift provided a lifeline for Berlin"; "she offered me a lifeline in my time of grief"
place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
close with or as if with a tight seal; "This vacuum pack locks in the flavor!"
a paste-up made by sticking together pieces of paper or photographs to form an artistic image; "he used his computer to make a collage of pictures superimposed on a map"
any collection of diverse things; "a collage of memories"
a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened
a transparent panel (as of an envelope) inserted in an otherwise opaque material
(computer science) a rectangular part of a computer screen that contains a display different from the rest of the screen
an opening in the wall of a building (usually to admit light and air); "he stuck his head in the window"
an opening that resembles a window in appearance or function; "he could see them through a window in the trees"
the time period that is considered best for starting or finishing something; "the expanded window will give us time to catch the thieves"; "they had a window of less than an hour when an attack would have succeeded"
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"