Articulata

plural noun

Ar·​tic·​u·​la·​ta

ärˌtikyəˈlätə,

-ātə

1

: one of the four subkingdoms in the classification of Cuvier comprising invertebrates having the body composed of a series of ringlike segments (such as arthromeres, somites, or metameres)

2

: a class or other division of Brachiopoda comprising forms with the valves hinged and usually bearing teeth compare inarticulata

Word History

Etymology

New Latin, from neuter plural of articulatus jointed, from Latin, uttered distinctly, past participle of articulare

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!