adjective
Definition: Relating to a group of single-celled organisms that have whip-like structures for movement.
Example: The mastigophoran organisms are often found in aquatic environments.
noun
Definition: A type of single-celled organism that has one or more whip-like structures called flagella, which help it move. These organisms are often found in water and can be classified as protozoans or sometimes as algae.
Example: The mastigophoran moved swiftly through the water using its flagella.