Medical Dictionary

sucker

noun suck·er \ˈsək-ər\

Medical Definition of SUCKER

1
:  an organ in various animals (as a trematode or tapeworm) used for adhering or holding
2
:  a mouth (as of a leech) adapted for sucking or adhering

Illustration of SUCKER

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears