Added 10 October 2026 spicula noun Categories: Obscure Words Latin root: spīcula Wiktionary noun ! Definition from Wiktionary (CC BY-SA). More about spicula at Wordnik → Where our words come from → plural of spiculum noun A little spike; a spikelet or spiculum. A pointed fleshy appendage. Origin Borrowed from Latin spīcula. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: ternateacerateacuatetriradiateanchoratespiculespicaspiculumspikeletmicrospinespirespike Back to today's word