| 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. |
decidua de·cid·u·a (dĭ-sĭj'&oomacr;-ə)
n. pl. de·cid·u·as or de·cid·u·ae (-&oomacr;-ē')
A mucous membrane lining the uterus, modified during pregnancy and shed at parturition or during menstruation. Also called deciduous membrane.