quadriradiate (kwodriradiat)

[ radiatus, radiate): see radiate.] Having four rays, as a fish's fin; tetractinal, as a sponge spicule; in bot., having four radii or prolongations: as, a quadriradiate ma of chlorophyl. quadrireme (kwod'ri-rēm), n. [ quadrisacramentalist (kwod-ri-sak-ra-men'tal-ist), n. [ as quadrisacramentarian.