adambulacral

1 of 2

adjective

ad·​am·​bu·​la·​cral

¦a-ˌdam-byə-¦lā-krəl,

-ˈla-

: adjacent to the ambulacra

adambulacral

2 of 2

noun

ad·​am·​bu·​la·​cral

¦a-ˌdam-byə-¦lā-krəl,

-ˈla-

plural -s

: any of a series of ossicles lying along the ambulacral grooves of starfishes

Word History

Etymology

Adjective

ad- + New Latin ambulacrum + English -al

First Known Use

Adjective

1854, in the meaning defined above

Noun

1857, 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!