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Definition of Spicule
1. Noun. Small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals.
Definition of Spicule
1. n. A minute, slender granule, or point.
Definition of Spicule
1. Noun. A sharp, needle-like piece ¹
2. Noun. (biology) Any of many needle-like crystalline structures that provide skeletal support in marine invertebrates like sponges ¹
3. Noun. (astronomy) A jet of matter ejected from the photosphere of the sun ¹
4. Noun. A small spike of flowers ¹
¹ Source: wiktionary.com
Definition of Spicule
1. a needlelike structure [n -S]
Medical Definition of Spicule
1. A small, slender, sharp-pointed piece, usually on a surface, a small spike of flowers. (09 Oct 1997)