Mycothrix \Myc"o*thrix\ (m[imac]k"[-o]*thr[i^]ks), n. [NL., fr. Gr. (spurious) my`khs mucus (L. mucus) + qri`x, tricho`s, hair.] (Biol.) The chain of micrococci formed by the division of the micrococci in multiplication. [1913 Webster]