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ertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Bot.) radial projections; (Zoöl.) radial vessels or canals; (Anat.) the radial artery. Radial symmetry. (Biol.) See under Symmetry.

An engine, usually an internal-combustion engine of a certain type (the radial type) having several cylinders arranged radially like the spokes of a complete wheel. The semiradial engine has radiating cylinders on only one side of the crank shaft.

Radial plates in the calyx of a crinoid.

In a radial manner.

Radiating to or from the same point. [R.] Coleridge.

the radii, or rays; -- in zoölogy, said of certain parts of radiate animals; as, the interradial plates of a starfish.

Situated around the radii, or radial tubes, of a radiate.

Half radial.

See Radial engine, above.

Sporadic. [R.]

One of the radial segments composing the body of one of the Coelenterata.

The sea; a wave. See Flote, n. Float board, one of the boards fixed radially to the rim of an undershot water wheel or of a steamer's paddle wheel; -- a vane. -- Float case (Naut.), a caisson used for lifting a ship. -- Float copper or gold (Mining), fine particles of metallic copper or of gold suspended in water, an…

In California, a water wheel with radial buckets, driven by the impact of a jet.

The bone or cartilage between the radiale and ulnare in the carpus, and between the tibiale and fibulare in the tarsus. It corresponds to the lunar in the carpus, and to a part of the astragalus in the tarsus of man and most mammals.

arsus, corresponding to the centrale; -- called also scaphoid. (b) A proximal bone on the radial side of the carpus; the scaphoid. -- Navicular disease (Far.), a disease affecting the navicular bone, or the adjacent parts, in a horse's foot.

ppeared, after which faint surrounding nebulous masses were discovered, apparently moving radially outward from the star at incredible velocity.

A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.

an animal; anterior; cephalic; esp., in front, or on the anterior, or cephalic (that is, radial or tibial) side of the axis of a limb.

A semiradial engine. See Radial engine, above.

An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.