- plural of
- A little spike; a spikelet.
1861, Various, Atlantic Monthly, Volume 8, No. 47, September, 1861:
- And yet Thoreau camps down by Walden Pond and shows us that absolutely nothing in Nature has ever yet been described,--not a bird nor a berry of the woods, nor a drop of water, nor a spicula of ice, nor summer, nor winter, nor sun, nor star.
1906, John Tyndall, Six Lectures on Light:
- Introducing the alum-cell, and placing the coating of hoar-frost at the intensely luminous focus of the electric lamp, not a spicula of the dazzling frost is melted.
- A pointed fleshy appendage.
1904, John Morley, Critical Miscellanies, Vol. 1, Essay 5, Emerson:
- Nature 'publishes itself in creatures, reaching from particles and spicula, through transformation on transformation to the highest symmetries.
- spicula in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- du Cange, Charles (1883), “spicula”, in G. A. Louis Henschel, Pierre Carpentier, Léopold Favre, editors, Glossarium Mediæ et Infimæ Latinitatis (in Latin), Niort: L. Favre
- spicula in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français [Illustrated Latin-French Dictionary], Hachette