| a scrap or morsel of food left at a meal. |
| a chattering or flighty, light-headed person. |
| midrib (mĭd'rĭb') Pronunciation Key
The central or main vein of a leaf, as in eudicots, magnoliids, and ferns. Midribs generally protrude from the underside of leaves with pinnate venation. See more at venation. |