Definitions for "Quaternary"
Later than, or subsequent to, the Tertiary; Post-tertiary; as, the Quaternary age, or Age of man.
The Quaternary age, era, or formation. See the Chart of Geology.
The period of Earth history from about 2 million years ago to the present; also, the rocks and deposits of that age.
Quaternary is an EP by the heavy metal band Mötley Crüe, released in 1994. The EP which was initially going to be title Leftovers was made available as a mail-in offer for purchasers of the self-titled album Mötley Crüe in a limited quantity of 20,000 copies. The EP features one song from each member of the band ("Planet Boom" - Tommy Lee, "Bittersuite" - Mick Mars, "Father" - Nikki Sixx, and "Friends" - John Corabi), along with the song "Babykills" which is performed by the entire band.
Consisting of four; by fours, or in sets of four.
The number four.
The fourfold lower self, or man, in the three worlds. There are various divisions of this, but perhaps for our purpose the best is to enumerate the four as follows: Lower mind. Emotional or kamic body. Prana, or the Life Principle. The etheric body, or the highest division of the twofold physical body.
Often shortened to "quats" in conversation, this refers to chemicals which are killing agents against various micro-organisms but particularly against the molds and algae which cause slime, "black moss", bad odor and other troubles in cooling towers. They are cationic compounds exhibiting germicidal as well as detergent properties.
Keywords:  fourth
Keywords:  cardinal, sum, three, number, one
the cardinal number that is the sum of three and one