phyllidium

== English == === Etymology 1 === From phyllo- +‎ -idium. ==== Noun ==== phyllidium (plural phyllidia) (zoology) A muscular, leaf-shaped or cuplike outgrowth from the lateral wall of the scolex of some cestodes. Synonym: bothridium (zoology) A rudimentary form of ctenidium found in some gastropods. === Etymology 2 === ==== Noun ==== phyllidium (plural phyllidia) (botany) Alternative form of phyllodium.