1. having the form of or resembling a small needle or spike
Usage: technical; biology
2. relating to or containing spicules
Usage: biology; zoology

Examples

• The sponge had spicular structures that provided structural support.
• Under the microscope, the spicular formations were clearly visible.
• The marine biologist studied the spicular elements in the coral sample.
• Spicular rays extended from the central body of the organism.
• The spicular texture of the specimen made it difficult to handle.
• Scientists identified spicular components in the fossilized remains.