carcinoidPronunciation: /ˈkɑːsɪnɔɪd/Definition of carcinoid noun Medicine a tumour of a type occurring in the glands of the intestine (especially the appendix) or in the bronchi, and sometimes secreting hormones. Origin: late 19th century: from an abbreviation of carcinoma + -oidcarcinoid in other Oxford dictionaries Definition of carcinoid in the US English dictionary
