Source : Webster's Revised Unabridged Dictionary (1913)

Stichidium \Sti*chid"i*um\, n.; pl. {Stichida}. [NL., fr. Gr. ?,
   dim. of ? a row.] (Bot.)
   A special podlike or fusiform branch containing tetraspores.
   It is found in certain red alg[ae].