Definitions

1. adjective

Having or forming spicules; resembling or composed of spicules.

“The spiculate texture of the rock made it difficult to climb.”

2. verb

To form or be composed of spicules.

“The process of spiculation makes the rock more durable.”

3. noun

A small pointed or needle-like structure, especially one forming part of the skeleton of certain invertebrates.

“The spicules of the sponge provide support and structure.”