Definitions
Making a rapid repeated sound.
Used in a sentence
“During the singing act these wing surfaces are moved rapidly on each other, producing the familiar strident trillings of midsummer.”
“Diametrically opposed rays of these stellate groups are of the same optical orientation and the twins are, therefore, trillings ( fig. 29 ).”
“Chrysoberyl is orthorhombic in symmetry. Like many orthorhombic minerals, it readily forms an intergrowth with two other individual crystals to make trillings with six sides or, at least, V-shaped twins.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Singing with quavers”8 letters
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