noun🔗Share선충An invertebrate animal of the phylum Nematoda and other similar phyla. Many species of roundworms are parasites."Our dog has been scratching a lot, and the vet suspects he might have roundworms. "우리 개가 많이 긁고 있는데, 수의사는 그가 선충에 걸렸을 수도 있다고 의심합니다.animalbiologyorganismnaturediseasemedicineChat with AIVocabulary GamePractice Reading