i Register
In some senses, warbler is marked as slang, UK. Watch for register when choosing this word.
noun
Any of various small passerine songbirds, especially of the family Sylviidae (Old World warblers) and Parulidae (New World warblers).
One who warbles.
In lulling strains the feather'd warblers woo.
And it looked like at first she was just another pop warbler, and “Girls Just Want to Have Fun” is a great record, but nothing threatening, nothing strange.
A device that makes a warbling sound.
In electronic telephones, this ringer may be a small electronic warbler rather than a bell.
A hissy fit.