• Webster's Revised Unabridged Dictionary
    • n Polypidom (Zoöl) A coral, or corallum; also, one of the coral-like structure made by bryozoans and hydroids.
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Century Dictionary and Cyclopedia
    • n polypidom An aggregate of polypites or polypides; a compound polypary, or the dermal system of a colony of individual actinozoans, hydrozoans, or polyzoans; a polyp-stock, or the stem of a colony of zoöphytes, containing the cells of the individual polypites or polypides which fabricate it. Thus, a piece of coral is the polypidom of an actinozoan or hydrozoan; a sea-mat is the polypidom (more exactly, the polyzoary) of a polyzoan. See cuts under Coralligena and Polyzoa.
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Chambers's Twentieth Century Dictionary
    • Polypidom an aggregate of polypites or polypides
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Webster's Revised Unabridged Dictionary
Polypus, + L. domus, house
Chambers's Twentieth Century Dictionary
Gr. polypouspolys, many, pous, foot.


In literature:

Polypidom about three inches high, irregularly ?
"Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade Archipelago, Etc. To Which Is Added The Account Of Mr. E.B. Kennedy's Expedition For The Exploration Of The Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist To The Expedition. In Two Volumes. Volume 1." by John MacGillivray