Source : Webster's Revised Unabridged Dictionary (1913)

Globigerina \Glo*big`e*ri"na\, n.; pl. {Globigerin[ae]}. [NL.,
   fr. L. globus a round body + gerere to bear.] (Zo["o]l.)
   A genus of small Foraminifera, which live abundantly at or
   near the surface of the sea. Their dead shells, falling to
   the bottom, make up a large part of the soft mud, generally
   found in depths below 3,000 feet, and called globigerina
   ooze. See Illust. of {Foraminifera}.

Source : WordNet®

globigerina
     n : marine protozoan having a rounded shell with spiny processes
     [also: {globigerinae} (pl)]