something that provides an important central source for growth or development; "the taproot of his resentment"; "genius and insanity spring from the same taproot"
(botany) main root of a plant growing straight downward from the stem
a vibrator consisting of a thin strip of stiff material that vibrates to produce a tone when air streams over it; "the clarinetist fitted a new reed onto his mouthpiece"
United States physician who proved that yellow fever is transmitted by mosquitoes (1851-1902)
United States journalist who reported on the October Revolution from Petrograd in 1917; founded the Communist Labor Party in America in 1919; is buried in the Kremlin in Moscow (1887-1920)
tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites
open land usually with peaty soil covered with heather and bracken and moss
one of the Muslim people of north Africa; of mixed Arab and Berber descent; converted to Islam in the 8th century; conqueror of Spain in the 8th century
secure with cables or ropes; "moor the boat"
come into or dock at a wharf; "the big ship wharfed in the evening"
secure in or as if in a berth or dock; "tie up the boat"