midrib
midrib · midribs
The strengthened vein down the middle of a flower petal or simple leaf or leafletThe strengthened vein down the middle of a flower petal or simple leaf or leaflet.
/ˈmɪdrɪb/
Meaning
3 sensesThe strengthened vein down the middle of a flower petal or simple leaf or leaflet.
the vein in the center of a leaf
The continuation of the petiole of a pinnately compound leaf around which the leaflets attach.
The shaft of a feather.