WordReference Random House Unabridged Dictionary of American English © 2026
ra•chil•la
(rə kil′ə),USA pronunciation n., pl. -chil•lae (-kil′ē).USA pronunciation [Bot.]
- Botanya small or secondary rachis, as the axis of a spikelet in a grass inflorescence.
- Neo-Latin, diminutive of rachis rachis
- 1835–45