folium

1. (countable, rare, uncountable)A leaf.

2. (countable, uncountable)A leaf (2 pages) of a codex or manuscript.

3. (countable, uncountable)A document that acts as the legal record of a transaction.

4. A document that acts as the legal record of a transaction.

   (countable, especially, uncountable)A certificate of title.

5. (countable, uncountable)A thin sheet or plate of a foliated rock or mineral.

   a thin layer or stratum of (especially metamorphic) rock

6. (countable, uncountable)A lobe on a branching structure.

7. A lobe on a branching structure.

   (countable, uncountable)A leaf-like protrusion or lobule on one of the vermes of the cerebellum.

8. (countable, uncountable)A curve of the third order, consisting of two infinite branches having a common asymptote. The curve has a double point, and a leaf-shaped loop.

9. (uncountable)Synonym of turnsole (“purple dye”).

10. (countable, uncountable)A symmetric pattern on the abdomen of some spiders.

regular