Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


adjective fo·li·ose \ˈfō-lē-ˌōs\

Definition of foliose

  1. :  having a flat, thin, and usually lobed thallus attached to the substratum <foliose lichens> — compare crustose, fruticose

Origin and Etymology of foliose

Latin foliosus leafy

First Known Use: 1758

Seen and Heard

What made you want to look up foliose? Please tell us where you read or heard it (including the quote, if possible).