The American Heritage® Dictionary of the English Language, 4th Edition
n. Any of the chiefly marine protozoans of the order Foraminifera, characteristically having a calcareous shell with perforations through which numerous pseudopods protrude.
n. Any of several large marine protozoans, of the subphylum Foraminifera, that have a calcareous shell with many holes through which pseudopodia protrude
the GNU version of the Collaborative International Dictionary of English
n. One of the Foraminifera.
The Century Dictionary and Cyclopedia
n. One of the Foraminifera.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. marine microorganism having a calcareous shell with openings where pseudopods protrude
Word Usage
"Relative abundance variations of the planktic foraminifer Globigerinoides sacculifer and àŽàⲱ8O measured G. ruber white variety in core PBBC1 plotted against calibrated years."