orbulina

[Dimin. of Lat. orb is =a ring, a circle, from the globular test or shell.] Zool.: A genus of Foraminifera, like a small perforated sphere. Found abundantly in the Globigerina ooze off the coast of Portugal, . Best known species Orbulina universa . *orb-, *orb-iě, a . [Eng. orb (1), s.; v.] 1. Resembling an orb; orblike, circular, round. "It smote At rides orbie targe." Chapman: Homer's Iliad , iii. IMG:content-0346.png:[blocks in formation] Zool . Grampus, Killer-whale; a genus of Delphin ide, with nine species, from the northern and southern oceans. The face is short and rounded, the dorsal long and falcate, pectorals very large, nearly as broad as long. Or-ca-di-an, a. & s. [From a promontory in Caithne , Scotland, called by Ptolemy Orcas .] A. As adj.: Pertaining or relating to the Orcades or Orkney Islands. B. As subst.: A native or inhabitant of the Orkney Islands.