noun Download 🔗Share A small passerine bird of the genus Lalage belonging to the cuckoo-shrike family Campephagidae, so called because of the loud trilling calls of the male birds. Examples : "While hiking in the Australian bush, we spotted a triller flitting among the eucalyptus trees, its distinctive, loud trilling call echoing through the forest. " animal bird nature organism biology Chat with AIVocabulary GamePractice Reading