spicula Meaning, Definition & Usage

  1. noun small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
    spiculum; spicule.

WordNet

Spic"u*la noun
Etymology
NL., dim. of L. spica a spike, ear.
Wordforms
plural Spiculæ
Definitions
  1. (Bot.) (a) A little spike; a spikelet. (b) A pointed fleshy appendage.

Webster 1913