1. (noun) United States writer and poet (1905-1989)

• robert penn warren

2. (noun) United States jurist who served as chief justice of the United States Supreme Court (1891-1974)

• earl warren

3. (noun) a series of connected underground tunnels occupied by rabbits

• rabbit warren

4. (noun) an overcrowded residential area

• rabbit warren

1. (noun) a series of connected underground tunnels occupied by rabbits

• burrow
• tunnel

2. (noun) an overcrowded residential area

• community
• residential area
• residential district

3. (noun) a colony of rabbits

• animal group

1. (noun) a colony of rabbits

• coney
• cony
• rabbit