Zwas a numeral letter signifying 2000.Zwith a dash at the top, signified 2000 times 2000.Zealmay be properly represented by a Jesuit holding in one hand a scourge, and in the other a burning lamp.Ze&stress;bra an Indian beast like a mule. Zock a mineral also called Spelter.The Frigid or Frozen Zoneso named of frigidus, L.exceeding cold; because they being far remote from the course of the sun in the ecliptick, they can partake of but little of its heatare segments of the surface of the earth terminated, the one by the Antarctic, and the other by the Arctic circle, comprehended between the poles and the polar circles: that towards the South is not yet known whether it be land or water; that towards the North contains part of Iceland and Norway, Lapland, Finmark, Somoseda, Nova Zembla, Greenland; and some other parts of North America.