(n) a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures, Syn. atomic number 80, quicksilver, hydrargyrum, Hg
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
‖n.; pl.Gyri [ L. See Gyre, n. ] A convoluted ridge between grooves; a convolution; as, the gyri of the brain; the gyri of brain coral. See Brain. [ 1913 Webster ]