The meaning of rachis is an axial structure. The series of vertebrae that extend from the cranium to the coccyx, providing support and forming a flexible bony case for the spinal cord Columna vertebralis [ta] , backbone, rachis, spina, spinal column, spine (2) Medical dictionary for the health professions and nursing © farlex 2012 The central stem of a leaf or flower spike that has several parts The spine (= line of…
Definition of 'rachis' rachis in british english or rhachis (ˈreɪkɪs ) noun word forms The rachis is defined as the primary axis or stem of a compound structure in plants This includes structures like a compound leaf or an inflorescence, which is a cluster of flowers It functions as the central support from which smaller components, such as leaflets or individual flowers, extend. From new latin rachis, from ancient greek ῥάχις (rhákhis, “spine, ridge”). The axis of an inflorescence when somewhat elongated, as in a raceme.
Rachis /ˈreɪkɪs/ ipa guide definitions of rachis noun axis of a compound leaf or compound inflorescence see more The main stem of an elongated inflorescence, as in a grass The main axis of a pinnately compound leaf or of a fern.
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