phyllode

noun

phyl·​lode ˈfi-ˌlōd 

: a flat expanded petiole that replaces the blade of a foliage leaf, fulfills the same functions, and is analogous to a cladophyll

Word History

Etymology

New Latin phyllodium, from Greek phyllōdēs like a leaf, from phyllon leaf

First Known Use

1848, in the meaning defined above

Medical Definition

phyllode

adjective

phyl·​lode ˈfil-ˌōd 

: having a cross section that resembles a leaf

phyllode tumors of the breast