Category: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.)

Defn: later than, or subsequent to, the tertiary; post-tertiary; as, The quaternary age, or age of man.

Quaternary Qua*ter"na*ry, n. Etym: [l. numerus quaternarius: cf. F. Quaternaire.]

1. The number four. Boyle.

2. (geol.)

Defn: the quaternary age, era, or formation. See the chart of Geology.