[ ruh-kil-uh ]

noun,plural ra·chil·lae [ruh-kil-ee]. /rəˈkɪl i/. Botany.
  1. a small or secondary rachis, as the axis of a spikelet in a grass inflorescence.

Origin of rachilla

1835–45; <New Latin, diminutive of rachisrachis

Words Nearby rachilla

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How to use rachilla in a sentence

British Dictionary definitions for rachilla



/ (rəˈkɪlə) /

  1. (in grasses) the short stem of a spikelet that bears the florets

Origin of rachilla

C19: from New Latin, diminutive of rachis

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for rachilla


[ rə-kĭlə ]

Plural rachillae (rə-kĭlē)
  1. The stalk that bears the florets in the spikelets of grasses and similar plants, such as rushes and sedges. The rachilla often has a zigzag shape, with florets at each point at which the orientation of the rachilla turns.

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