An arm
Rose up from out the bosom of the lake,
Clothed in white samite, mystic, wonderful.
Source: Idylls of the King, 'The Passing of Arthur'
-- Alfred, Lord Tennyson, (Aug 6 1809-1892), English poet; He was the Poet Laureate, 1850-92 who wrote Charge of the Light Brigade, 1854 and Idylls of the King, 1885.