Bird song? (5)
'song' is the definition.
(I know that carol is a type of song)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for carol that I've seen before include "Canticle" , "Girl's name; sing" , "Song celebrating the birth of Jesus" , "Joyful song - woman's name" , "Christmas ditty" .)
'bird song' is the definition.
The answer and definition can be both related to communication as well as being singular nouns.
Maybe there's a link between them I don't understand?
This is all the clue.
Can you help me to learn more?
(Other definitions for trill that I've seen before include "Shrill warble" , "Quavering or vibratory sound" , "Shake" , "High-pitched warbling sound" , "Quavering note" .)