Found 2 items, similar to spiculum.
English → English (WordNet) Definition: spiculum spiculum n : small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals [syn: spicule] [also: spicula (pl)]
English → English (gcide) Definition: Spiculum Spiculum \Spic"u*lum\, n.; pl. Spicula. [L., a little point.] (Zo["o]l.) Same as Spicule. [1913 Webster]