Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun spiculum

1 sense of spiculum

Sense 1
spicule, spiculum -- (small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals)
       => process, outgrowth, appendage -- (a natural prolongation or projection from a part of an organism either animal or plant; "a bony process")