Richard Wagner
— Noun
– English
～ German composer of operas and inventor of the musical drama in which drama and spectacle and music are fused (1813-1883)
ready and waiting
— Adjective
– English
～ 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"
Ralph Waldo Ellison
— Noun
– English
～ United States novelist who wrote about a young Black man and his struggles in American society (1914-1994)
Ralph Waldo Emerson
— Noun
– English
～ United States writer and leading exponent of transcendentalism (1803-1882)
random walk
— Noun
– English
～ a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance
retaining wall
— Noun
– English
～ a wall that is built to resist lateral pressure (especially a wall built to prevent the advance of a mass of earth)