Breadcrumb Home > Thesaurus > C Synonyms of carcinoid Find synonyms for: Noun 1. carcinoid, tumor, tumour, neoplasm usage: a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of carcinoid (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language