Search Result for "quaternary period":
Wordnet 3.0

NOUN (1)

1. last 2 million years;
[syn: Quaternary, Quaternary period, Age of Man]



WordNet (r) 3.0 (2006):

Quaternary period
    n 1: last 2 million years [syn: Quaternary, Quaternary
         period, Age of Man]