rachilla

== English == === Alternative forms === rhachilla === Etymology === From Latin rachilla, diminutive of rachis. === Pronunciation === Rhymes: -ɪlə === Noun === rachilla (plural rachillas or rachillae) (botany) The part of a spikelet, in grasses and sedges, that bears the florets (botany) A rachis of secondary or higher order in leaves and ferns that are compound more than once.