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"
the trait of being uncommunicative; not volunteering anything more than necessary
something kept back or saved for future use or a special purpose
(medicine) potential capacity to respond in order to maintain vital functions
obtain or arrange (for oneself) in advance; "We managed to reserve a table at Maxim's"
hold back or set aside, especially for future use or contingency; "they held back their applause in anticipation"
arrange for and reserve (something for someone else) in advance; "reserve me a seat on a flight"; "The agent booked tickets to the show for the whole family"; "please hold a table at Maxim's"
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 member of the Union Army during the American Civil War
national; especially in reference to the government of the United States as distinct from that of its member units; "the Federal Bureau of Investigation"; "federal courts"; "the federal highway program"; "federal property"
characterized by or constituting a form of government in which power is divided between one central and several regional authorities; "a federal system like that of the United States"; "federal governments often evolved out of confederations"
of or relating to the central government of a federation; "a federal district is one set aside as the seat of the national government"
give to a charity or good cause; "I donated blood to the Red Cross for the victims of the earthquake"; "donate money to the orphanage"; "She donates to her favorite charity every month"
being and remaining ready and available for use; "waiting cars and limousines lined the curb"; "found her mother waiting for them"; "an impressive array of food ready and waiting for the guests"; "military forces ready and waiting"