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zoothome
zoothome n. 
/ˈzəʊəθəʊm/, /ˈzu(ə)ˌθoʊm/ [ < zoo- comb. form + ancient Greek θωμός heap ( < the same Indo-European base as doom n.)] now rare a group of individual coral polyps living in a colony; cf. zoophyte n. 1.
Brit. /ˈzuː(ə)θəʊm/
, /ˈzuː(ə)θəʊm//ˈzəʊəθəʊm/U.S. /ˈzoʊəˌθoʊm/
, /ˈzoʊəˌθoʊm//ˈzu(ə)ˌθoʊm/ΘΚΠ
the world > animals > invertebrates > zoophyte > [noun]
sensitive plant1601
zoophyton1601
zoophyte1606
plant-animal1621
zoophyton1627
animal plant1736
phytozoon1842
zoothome1872
1872 J. D. Dana Corals & Coral Islands i. 48 The compound mass produced by budding..was called..a Zoöphyte. As a substitute the term Zoöthome may be employed.
1882 Amer. Monthly Microsc. Jrnl. 3 221/1 The beauty of a fine zoothome (that is, a number of coral polyps on a branch of coral), fully expanded.., is almost indescribable.
1963 I. F. Henderson & W. D. Henderson Dict. Biol. Terms (ed. 8) 637/2 Zoothome, any group of individuals in a living coral.
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