Definitions

1. adjective

Having or characterized by laciniae, which are narrow, finger-like or ribbon-like projections or folds, typically found in leaf-like structures or other biological features.

“The laciniose margins of the plant’s leaves helped it to absorb more sunlight.”

2. noun

A lacinia, especially one that is narrow and finger-like or ribbon-like.

“The laciniose structures on the surface of the leaf helped to prevent water from penetrating too deeply.”