Foraminifera Look up Foraminifera at Dictionary.com
1835, Modern Latin, neuter plural of foraminifer "bearing holes," from Latin foramen "hole, opening, orifice" (see foramen) + -fer "bearing," from ferre "to bear," from PIE root *bher- (1) "to carry," also "to bear children." So called because the shells usually are perforated by pores. Related: Foraminiferal.