Palmarium

• (n.) One of the bifurcations of the brachial plates of a crinoid.
Found on http://thinkexist.com/dictionary/meaning/palmarium/

Palmarium

Pal·ma'ri·um noun ; plural Palmaria . [ New Latin See Palmar .] (Zoology) One of the bifurcations of the brachial plates of a crinoid.
Found on http://www.encyclo.co.uk/webster/P/8

palmarium

Latin, meaning: excellent, splendid, outstanding
Found on http://archives.nd.edu/ppp.htm
No exact match found