mercury

n 1: a heavy silvery toxic univalent and bivalent metallic

element; the only metal that is liquid at ordinary

temperatures [syn: {quicksilver}, {Hg}, {atomic number

80}]

2: (Roman mythology) messenger of Jupiter and god of commerce;

counterpart of Greek Hermes [syn: {Mercury}]

3: the smallest planet and the nearest to the sun [syn: {Mercury}]