Articulata

1. v. A subdivision of the Crinoidea.
2. v. One of the four subkingdoms in the classification of Cuvier. It has been much modified by later writers.
3. v. One of the subdivisions of the Brachiopoda, including those that have the shells united by a hinge.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.