Warren > define

United States writer and poet (1905-1989.
- synonyms: Robert Penn Warren
United States jurist who served as chief justice of the United States Supreme Court (1891-1974.
- synonyms: Earl Warren
A series of connected underground tunnels occupied by rabbits.
- synonyms: rabbit warren
An overcrowded residential area.
- synonyms: rabbit warren
A colony of rabbits. .

(n.) A privilege which one has in his lands, by royal grant or prescription, of hunting and taking wild beasts and birds of warren, to the exclusion of any other person not entering by his permission.
(n.) A place for keeping flash, in a river.
(n.) A place privileged, by prescription or grant the king, for keeping certain animals (as hares, conies, partridges, pheasants, etc.) called beasts and fowls of warren.
(n.) A piece of ground for the breeding of rabbits.

by Webster's Revised Unabridged Dictionary

Warren is a masculine given name

German: Loyal
English: From a surname which meant either "enclosure" from Germanic or "from La Varenne" from French