Spiky \Spik"y\, a.

1. Like a spike; spikelike.

These spiky, vivid outbursts of metallic vapors. --C. A. Young.

2. Having a sharp point, or sharp points; furnished or armed with spikes.

Or by the spiky harrow cleared away. --Dyer.

The spiky wheels through heaps of carnage tore. --Pope.

Source: Webster's Revised Unabridged Dictionary (1913)