Noun warren has 5 senses
- Warren, Robert Penn Warren - United States writer and poet (1905-1989)
--1 is a kind of writer, author; poet
- Warren, Earl Warren - United States jurist who served as chief justice of the United States Supreme Court (1891-1974)
--2 is a kind of jurist, legal expert
- warren, rabbit warren - a series of connected underground tunnels occupied by rabbits
--3 is a kind of burrow, tunnel
- warren, rabbit warren - an overcrowded residential area
--4 is a kind of residential district, residential area, community
- warren - a colony of rabbits
--5 is a kind of animal group
--5 has members: rabbit, coney, cony
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