black haw

noun

1

: a shrub (Viburnum prunifolium) bearing cymes of white flowers and bluish black drupes

2

a

: southern buckthorn

b

: false buckthorn

3

: either of two trees (Bumelia tenax and B. lanuginosa) of the southern U.S.

4

or less commonly black hawthorn : a hawthorn (Crataegus douglasii) of the western U.S.

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!