Found 2 items, similar to rhachises.
English → English (WordNet) Definition: rhachises rachis n 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)] rhachises See rachis
English → English (gcide) Definition: Rhachises Rhachis \Rha"chis\, n.; pl. E. Rhachises, L. Rhachides. [See Rachis.] [Written also rechis.] 1. (Anat.) The spine. [1913 Webster] 2. (Bot.) (a) The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern. (b) The principal axis in a raceme, spike, panicle, or corymb. [1913 Webster] 3. (Zo["o]l.) (a) The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis. (b) The central cord in the stem of a crinoid. (c) The median part of the radula of a mollusk. (d) A central cord of the ovary of nematodes. [1913 Webster]