spicula noun2 •A little spike; a spikelet or spiculum.He concludes this Dissertation, by endeavouring to explain the Manner of its [olive oil's] operating, which he attributes to its fat inviscating Nature, whereby it sheathes the Spicula of the Poison. — 1738 •A pointed fleshy appendage.Nature 'publishes itself in creatures, reaching from particles and spicula, through transformation on transformation to the highest symmetries. — 1904 formsspiculae · spiculas
