Rhabdocœla, rab-dō-sē′la, n. a prime division of turbellarian worms.—adjs. Rhabdocœ′lidan, Rhabdocœ′lous. [Gr. rhabdos, a rod, koilos, hollow.]

Rhabdocrepida, rab-dō-krep′i-da, n. a sub-order of lithistidan sponges. [Gr. rhabdos, a rod, krēpis, a foundation.]

Rhabdoid, rab′doid, n. a spindle-shaped body chemically related to the plastids, found in certain cells of irritable plants like Drosera, Dionæa, &c.—adj. Rhabdoid′al, rod-like: (anat.) sagittal. [Gr. rhabdos, a rod.]

Rhabdolith, rab′dō-lith, n. a minute rhabdoidal concretion of calcareous matter forming the armature of a rhabdosphere.—adj. Rhabdolith′ic.

Rhabdology, rab-dol′ō-ji, n. the art of computing by Napier's bones or rods.—Also Rabdol′ogy.

Rhabdom, rab′dom, n. (entom.) a tubular rod-like structure in the eye, the central axis of a retinula.—adj. Rhab′dōmal.

Rhabdomancy, rab′dō-man-si, n. divination by means of rods, esp. the impudent imposture of finding water, &c., by means of the divining-rod.—n. Rhab′domancer.—adj. Rhabdoman′tic. [Gr. rhabdos, rod, manteia, divination.]

Rhabdome, rab′dōm, n. in sponges, the shaft of a cladose rhabdus, bearing the cladome.

Rhabdomesodon, rab-dō-mes′ō-don, n. a genus of polyzoans. [Gr. rhabdos, a rod, mesos, middle, odous, odontos, a tooth.]

Rhabdomyoma, rab-dō-mī-ō′ma, n. a myoma consisting of striated muscular fibres.