QUATERNARIES
Noun
quaternaries
plural of quaternary
Source: Wiktionary
QUATERNARY
Qua*ter"na*ry, a. Etym: [L. quaternarius consisting of four each,
containing four, fr. quaterni four each, fr. quattuor four: cf. F.
quaternaire. See Four.]
1. Consisting of four; by fours, or in sets of four.
2. (Geol.)
Definition: Later than, or subsequent to, the Tertiary; Post-tertiary; as,
the Quaternary age, or Age of man.
Qua*ter"na*ry, n. Etym: [L. numerus quaternarius: cf. F.
quaternaire.]
1. The number four. Boyle.
2. (Geol.)
Definition: The Quaternary age, era, or formation. See the Chart of
Geology.
Source: Webster’s Unabridged Dictionary 1913 Edition