Definitions of decurrent:
- adjective: (botany) Pertaining to plant parts that extend downward, most often applied to leaf blades that partly wrap or have wings around the stem or petiole and extend down along the stem.
- adjective: (mycology) Pertaining to lamellae (the gills of a mushroom) that are broadly attached and extend down the stipe of the mushroom.
- adjective: (obsolete) running or extending downwards.
(Definitions from Wiktionary)
Search for decurrent at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia