symbion
[ sĭm′bē-ŏn′, -bī- ]
n.
An organism associated with another in symbiosis.
mutualist
Words nearby symbion
sylviculture,
sylvite,
sym-,
sym.,
symballophone,
symbion,
symbionese,
symbionese liberation army,
symbiont,
symbiosis,
symbiotic