[], (Noun)

Definitions:
- In grasses: the floral axis, i.e. the axis on which the florets are borne within the spikelet. Also (in palms): the ultimate flower-bearing axis of the inflorescence.


Phrases:

Origin:
mid 19th century; earliest use found in William T. Brande (1788–1866), chemist. From scientific Latin rachilla from post-classical Latin rachis + -illa