chirl /chirl or chûrl/ (Scot)

1. To emit a low sound
2. To warble

A kind of musical warble

• colony collapse disorder
• colony stimulating factors
• colophon
• colophonies
• colophons
• colophony
• coloquintida
• color
• Colorado beetle
• Colorado beetles
• colorant
• colorants
• coloration
• colorations
• coloratura
• coloraturas
• coloratura soprani
• coloratura soprano
• coloratura sopranos
• colorectal
• colored
• colorific
• colorimeter
• colorimeters
• colorimetric