dictionary

Please select the first letter in the word you are seeking (Example: select 'r' for 'reform').

1: axis of a compound leaf or compound inflorescence

2: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" [syn: spinal column, vertebral column, spine, backbone, back] [also: rhachises (pl)]

Do you need more info about rachis, find it at CanadaSpace Reference