( v. t. )
To sing in a trilling, quavering, or vibratory manner; to modulate with turns or variations; to trill; as, certain birds are remarkable for warbling their songs.
( v. t. )
To sing in a trilling, quavering, or vibratory manner; to modulate with turns or variations; to trill; as, certain birds are remarkable for warbling their songs.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012