1. the act or sound of singing with melodious trills

1. singing with a melodious, trilling sound
Usage: present participle of warble

Examples

• The robin was warbling cheerfully in the oak tree.
• She heard the warbling of birds outside her window.
• The opera singer’s warbling filled the concert hall.
• His warbling voice echoed through the forest.
• The canary’s sweet warbling delighted the children.
• She practiced warbling scales to improve her technique.
• The warbling of the stream mixed with birdsong.