the GNU version of the Collaborative International Dictionary of English
n. Quicksilver; mercury.
The Century Dictionary and Cyclopedia
n. Chemical symbol, Hg. Quicksilver; mercury. See mercury.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
Word Usage
"Washington: India American teenager Kavya Shivashankar finally won it all in the televised US National Spelling Bee competition, nailing esoteric words from "hydrargyrum" to "Laodicean", coolly writing them down with her finger on her palm."