A newsboy, a messenger. / A footman. / Someone who carries messages between lovers; a go-between. / A newspaper.

(astronomy) The planet in the solar system with the closest orbit to the Sun, named after the god; represented by ☿.

A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg.

Mercurial behaviour.

plural of mercuriality

Chronic mercury poisoning.

(obsolete) Any of the plants known as mercury, especially the annual mercury or French mercury (Mercurialis annua).

(comparable) Having a lively or volatile character; animated, changeable, quick-witted.

plural of mercurial

plural of mercuriation