midrib
English edit
Etymology edit
Pronunciation edit
Noun edit
midrib (plural midribs)
- (botany) The strengthened vein down the middle of a flower petal or simple leaf or leaflet.
- Synonyms: middle rib, midvein
- (botany) The continuation of the petiole of a pinnately compound leaf around which the leaflets attach.
- Synonyms: middle rib, rachis