- the condition of a helot; serfdom or slavery
- Biol. a form of symbiosis, as among some ants, in which one species dominates and uses workers of another species
See helotism in American Heritage Dictionary 4
- A system under which a nominally free social class or a religious, national, or racial minority is permanently oppressed and degraded.
- A type of symbiosis, as among certain ants, in which one species is dominant and makes the members of another species perform the tasks required for their mutual survival.