(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.

plural of rachiotomy

(medicine) A painful condition of the spine, especially Pott's disease or (formerly) lead colic.

A dissecting instrument for opening the spinal canal.

plural of rachitome

(anatomy, zoology) Of or relating to the rachis; spinal; vertebral.

Having or relating to rachialgia.

plural of rachicerid

(zoology) Any fly in the family Rachiceridae, now considered to be the xylophagid subfamily Rachicerinae.

A developmental birth defect in which the neural tube fails to close completely, leading to motor and sensory deficits, chronic infections, and disturbances in bladder function.