Found 2 items, similar to acicula.
English → English (WordNet) Definition: acicula acicula n : a needle-like part or structure of a plant or animal or crystal; as a spine or bristle or crystal [also: aciculae (pl)] acicula See aciculum [also: aciculae (pl)]
English → English (gcide) Definition: Acicula Acicula \A*cic"u*la\, n.; pl. Acicul[ae]. [L., a small needle, dimin. of acus needle.] (Nat. Hist.) One of the needlelike or bristlelike spines or prickles of some animals and plants; also, a needlelike crystal. [1913 Webster]