symbiont Biol.
(ˈsɪmbɪɒnt, -baɪ-)
Also (in Dicts.) symbion.
[irreg. f. Gr. συµβιῶν, pr. pple. of συµβιοῦν: see symbiosis.]
Either of two organisms living in symbiosis; a commensal.
| 1887 Garnsey & Balfour tr. De Bary's Fungi 360 The results of the reciprocal action of the two symbionts. 1902 H. M. Coulter Plant Studies 162 In symbiosis one of the symbionts may be an animal. |