[{"Bold_text": "verb (used with object)", "List Items": ["to sing or play with a vibratory or quavering effect.", "Phonetics.to produce (a sound) with a trill.", "(of birds, insects, etc.) to sing or utter in a succession of rapidly alternating sounds."]}, {"Bold_text": "verb (used without object)", "List Items": ["to resound vibrantly, or with a rapid succession of sounds, as the voice, song, or laughter.Synonyms: vibrate , tremble , quaver", "to utter or make a sound or succession of sounds resembling such singing, as a bird, frog, grasshopper, or person laughing.Synonyms: warble , twitter , tweet , sing , peep , chirrup , chirp , cheep", "to execute a shake or trill with the voice or on a musical instrument.", "Phonetics.to execute a trill, especially with the tongue, as while singing, talking, or whistling."]}, {"Bold_text": "noun", "List Items": ["the act or sound of trilling.", "Music.a rapid alternation of two adjacent tones; a shake.", "a similar sound, or succession of sounds, uttered or made by a bird, an insect, a person laughing, etc.Synonyms: song , pipe , peep , chirrup , chirr , chirp , cheep , call , birdsong , twitter , tweet", "Phonetics.a sequence of repetitive, rapid, vibratory movements produced in any free articulator or membrane by a rush of air expelled from the lungs and often causing a corresponding sequence of contacts between the vibrating articulator and another organ or surface.a speech sound produced by such a trill.", "a sequence of repetitive, rapid, vibratory movements produced in any free articulator or membrane by a rush of air expelled from the lungs and often causing a corresponding sequence of contacts between the vibrating articulator and another organ or surface.", "a speech sound produced by such a trill."]}, {"Bold_text": "verb (used without object)", "List Items": ["to flow in a thin stream; trickle."]}, {"Bold_text": "verb (used with object)", "List Items": ["to cause to flow in a thin stream."]}]