QUATER-COUSIN
Qua"ter-cous`in, n. Etym: [F. quatre four + cousin, E. cousin.]

Defn: A cousin within the first four degrees of kindred.

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.