- benign tumor, benign tumour, nonmalignant tumor, nonmalignant tumour, nonmalignant neoplasm - a tumor that is not cancerous
--1 is a kind of tumor, tumour, neoplasm
--1 has particulars:adenoma; chondroma; enchondroma; fibroma; myoma; myxoma; neurinoma; osteoblastoma; osteochondroma; osteoma; papilloma, villoma, papillary tumor, papillary tumour