'Parasitism' definitions:

Definition of 'parasitism'

(from WordNet)
noun
The relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)

Definition of 'Parasitism'

From: GCIDE
  • Parasitism \Par"a*si`tism\ (p[a^]r"[.a]*s[imac]`t[i^]z'm; 277), n. [Cf. F. parasitisme.] [1913 Webster]
  • 1. The state or behavior of a parasite; the act of a parasite. "Court parasitism." --Milton. [1913 Webster]
  • 2. (Bot. & Zool.) The state of being parasitic. [1913 Webster]

Synonyms of 'parasitism'

From: Moby Thesaurus