Bot. Pl. -ia. [mod. L., f. TETRA- + SPORANGIUM; or f. TETRASPORE + Gr. ἀγγεῖον receptacle.] A sporangium producing or containing tetraspores. Rarely anglicized as Tetrasporange (Cent. Dict., 1891).
1890. Athenæum, 21 June, 805/2. On the Development of the Tetrasporangia in Rhabdochorton rothii.