Definition of "Grey"

A surname transferred from the nickname, alternative spelling of Gray  examples

A placename

1. A river, the Grey River, on the West Coast of the South Island of New Zealand.  examples

2. Ellipsis of Grey County.  examples

An English earldom.  examples

(UK, military, historical, chiefly in the plural) A member of the Royal Scots Greys, a cavalry regiment of the British Army from 1707 to 1971.