a life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim
cause to withdraw; "We pulled this firm off the project because they overcharged"
be successful; achieve a goal; "She succeeded in persuading us all"; "I managed to carry the box upstairs"; "She pulled it off, even though we never thought her capable of it"; "The pianist negociated the difficult runs"