triradiate /trʌɪˈreɪdɪət/adjective 1noun 1forms 1 adjective1 •Having or consisting of three rays; radiating in three directions from a central point; three-rayed, trifurcate.Three beautiful little semicircular horny saws, arranged in a triradiate manner, so that their edges meet in the centre. — 1846 noun1 •A triradiate sponge-spicule.The triradiates are regular with straight, conical, and gradually sharp-pointed rays, measuring 60 - 150 μm in length and 8 - 14 μm thick at the base. — 2023 formstriradiates
