balanoid

1 of 2

adjective

bal·​a·​noid

ˈbaləˌnȯid

: of or relating to the acorn barnacles

balanoid

2 of 2

noun

"

plural -s

: acorn barnacle

Word History

Etymology

Adjective

Greek balanoeidēs like an acorn, from balan- + -eidēs -oid

First Known Use

Adjective

circa 1890, in the meaning defined above

Noun

1843, in the meaning defined above

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!