'Rhizoid' definitions:
Definition of 'rhizoid'
(from WordNet)
noun
Any of various slender filaments that function as roots in mosses and ferns and fungi etc
Definition of 'Rhizoid'
From: GCIDE
- Rhizoid \Rhi"zoid\, n. [Gr. ??? root + -oid.] (Bot.) A rootlike appendage. [1913 Webster]