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Webster 1913 Edition
Eozoon
‖
Eˊo-zo′ön
,Noun.
pl.
Eozoöns
(#)
, L. Eozoa
(#)
. [NL., fr. Gr.
ἠώσ
dawn + ζῶ,ον
an animal.] (Paleon.)
A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.