noun🔗ShareThe cap of a mushroom."The rain made the pileus of the mushroom look shiny and wet. "plantpartorganismbiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe bell of a jellyfish."The marine biologist carefully examined the jellyfish, noting the vibrant colors of its pileus. "animalorganismanatomybiologyphysiologypartChat with AIVocabulary GamePractice Reading
noun🔗ShareA small thin cloud attached to a cumulus cloud."Above the growing cumulus cloud, a delicate pileus formed, looking like a soft, white cap. "weathernatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA conical felt hat worn in Ancient Rome and Greece."The Roman freedman proudly wore a pileus, symbolizing his newly acquired liberty. "culturewearhistoryarchaeologyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe top of the head of a bird, from the bill to the nape."The birdwatcher noted that the robin's rusty-red pileus was particularly vibrant in the morning sunlight. "birdanatomypartChat with AIVocabulary GamePractice Reading
