SPICULUM

spicule, spiculum

(noun) small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals

Source: WordNet® 3.1


Etymology

Noun

spiculum (plural spicula)

A thrusting javelin used by Romans that replaced the pilum in the late 3rd century.

A sharp, pointed crystal, especially of ice.

(zoology) A sharp, needle-like structure, especially those making up the skeleton of a sponge.

(astronomy) A small radial emission of gas seen in the chromosphere and corona of the sun.

Synonyms

• (sharp, pointed crystal): spicula

• (sharp, needle-like strucutre): spicule

• (small radial emission of gas): spicule

Source: Wiktionary


Spic"u*lum, n.; pl. Spicula. Etym: [L., a little point.] (Zoöl.)

Definition: Same as Spicule.

Source: Webster’s Unabridged Dictionary 1913 Edition



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