|a scrap or morsel of food left at a meal.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
atheroma ath·er·o·ma (āth'ə-rō'mə)
n. pl. ath·er·o·mas or ath·er·o·ma·ta (-mə-tə)
A deposit or degenerative accumulation of lipid-containing plaques on the innermost layer of the wall of an artery.