noun Download 🔗Share Any of various long-legged wading birds in the family Threskiornithidae, having long downcurved bills used to probe the mud for prey such as crustaceans. Examples : "While walking along the shore, we saw an ibis using its long, curved bill to search for crabs in the muddy sand. " animal bird nature organism biology ecology Chat with AIVocabulary GamePractice Reading