pinnately
/ˈpɪneɪtli/
adverb
- In a way that is arranged like a feather, with parts on each side of a central line or stem.
- Botanists describe the leaf as pinnately compound because the leaflets are arranged in pairs.
- The leaflets grow pinnately along the main stalk.
- The fern's fronds are pinnately divided, giving them a lacy look.