noun🔗ShareAny of various insectivorous tropical birds, of the family Galbulidae, having iridescent plumage and a long, sharp bill."While hiking in the Amazon rainforest, we spotted several jacamars perched on branches, their iridescent feathers shimmering in the sunlight as they waited to snatch insects with their long bills. "animalbirdnaturebiologyorganismenvironmentChat with AIVocabulary GamePractice Reading