Ra-chīl'la, n.
n. [N. Lat., from Gr. ῥάχις, the sharp ridge along the back of an animal, the spine. See infra.] (Bot.) A branch of inflorescence; the zig-zag center on which the florets are arranged in the spikelets of grasses.
n. [N. Lat., from Gr. ῥάχις, the sharp ridge along the back of an animal, the spine. See infra.] (Bot.) A branch of inflorescence; the zig-zag center on which the florets are arranged in the spikelets of grasses.