0 past simple and past participle of trill
1 When birds trill, they sing a series of quickly repeated high notes.
[ + speech ] "I'll be right down!" trilled Daphne.
A repeating function controlling the frequency of a single tone produces smoother trilled notes than overlapping tones does.
Its calls are variable, often low-pitched trilled or gurgling whistles.
They are noisy birds, with a trilled whistled "treee-tee-tee-tee-tee call".
That is, like affricates and trilled affricates, the reasons for considering these sequences to be single consonants lies primarily in their behavior.
The call is a rolling trilled "breep", and the song is a hard rolling repletion of "zerlip".
The voiced alveolar stop may have trilled release depending on dialect.
It has a "queep" whistle followed by a trilled "trrrrrr".
This is a conspicuous species, with a trilled "threeee" call, or a sharp "weet".
