Spiny [adjective]

If the coating has spiny hairs, as in the Chestnut and Beechnut, the whole is a bur.

They were green and blue and red, and they had spiny rays like starfish on which they danced.

Its spiny stems and leaves, which cut like razors, make it difficult to approach.

The compact soil was covered with wild and spiny vegetation.

A dog snatched at a spiny lower leg and crunched and darted away.

Shell thin walled, with spiny surface; in each corner of the hexagons is one bristle-like radial spine twice as long as one pore.

Cortical shell with spiny surface, composed of six (or more) kidney-shaped chambers of different size and form.

Disk with spiny surface, four times as broad as the outer, and ten times as broad as the inner medullary shell.

Disk with spiny surface, four and a half times as broad as the outer, and fourteen times as broad as the inner medullary shell.

Disk with spiny surface, three times as broad as the outer, eight times as broad as the inner medullary shell.