He wears on his head the corona radiata . . . ; the spikes that shoot out represent the rays of the sun. Addison.

Spike grass (Bot.), either of two tall perennial American grasses (Uniola paniculata, and U. latifolia) having broad leaves and large flattened spikelets. -- Spike rush. (Bot.) See under Rush. -- Spike shell (Zoöl.), any pteropod of the genus Styliola having a slender conical shell. -- Spike team, three horses, or a horse and a yoke of oxen, harnessed together, a horse leading the oxen or the span. [U.S.]

Oil of spike (Chem.), a colorless or yellowish aromatic oil extracted from the European broad-leaved lavender, or aspic (Lavendula Spica), used in artist's varnish and in veterinary medicine. It is often adulterated with oil of turpentine, which it much resembles.