fluellin

noun

flu·​el·​lin

variants or less commonly fluellen

flüˈelə̇n

plural -s

1

: either of two speedwells (Veronica officinalis and V. chamaedrys)

2

: toadflax

3

: cancerwort

4

: mountain parsley

Word History

Etymology

Welsh llysiau Llywelyn, literally, Llewelyn's herbs, probably after Llywelyn ab Iorwerth (Llewelyn the Great) †1240 or Llywelyn ab Gruffydd †1282 princes of Wales

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!