Learn how to say Trills correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word trill:
a quavering or vibratory sound, especially a rapid alternation of sung or played notes:
the caged bird launched into a piercing trill
the pronunciation of a consonant, especially r, with rapid vibration of the tongue against the hard or soft palate or the uvula.
produce a quavering or warbling sound:
a skylark was trilling overhead
[with direct speech]:
‘Coming sir,’ they both trilled
trilling a love ballad, she led him to her chair
[with object] pronounce (a consonant) by rapid vibration of the tongue against the hard or soft palate or the uvula.
mid 17th century: from Italian trillo (noun), trillare (verb)