Definition of "parasite" in Anglais

noun

1. (biology) An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.

   • Lice, fleas, ticks, and mites are widely spread parasites.

2. (derogatory) A person who lives on other people's efforts or expense and gives little or nothing back.

3. (derogatory) A sycophant or hanger-on.

4. (literary, poetic) A climbing plant which is supported by a wall, trellis etc.

5. (historical) A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.

6. (aviation) A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.

7. (retail, used attributively) An isolated (FSDU) (freestanding display unit )

   • parasite display
   • parasite stand
   • parasite unit

verb

1. (rare) To parasitize.