suctorian

noun

suc·​to·​ri·​an ˌsək-ˈtȯr-ē-ən 

: any of a class or subclass (Suctoria) of complex protozoans which are ciliated only early in development and in which the mature form is fixed to the substrate, lacks locomotor organelles or a mouth, and obtains food through specialized suctorial tentacles

Word History

Etymology

New Latin Suctoria, from neuter plural of suctorius suctorial

First Known Use

circa 1842, in the meaning defined above

Medical Definition

suctorian

noun

suc·​to·​ri·​an -ē-ən 

: any protozoan of the class Suctoria