umbellar

adjective

um·​bel·​lar

ˈəmbələ(r),

ˌəmˈbel-

: of or relating to an umbel : umbellate

Word History

Etymology

umbell- + -ar

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now