Noun has 2 senses

• glacial epoch(n = noun.time) glacial period, ice age - any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene"



• glacial epoch(n = noun.time) pleistocene, pleistocene epoch - from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution;