quatifier.html - n. & adj.
--n.

(pl. -ies)
1 a four-hundredth anniversary.
2 a festival marking this.

--adj.

of this anniversary. [L quater four times + CENTENARY]

quatifier.html - adj. & n.
--adj.

1 having four parts.
2 (Quaternary) Geol. of or relating to the most recent period in the Cenozoic era with evidence of many species of present-day plants and animals (cf. PLEISTOCENE, HOLOCENE).

Cf. Appendix II.

--n.

(pl. -ies)
1 a set of four things.
2 (Quaternary) Geol. the Quaternary period or system. [ME f. L quaternarius f. quaterni distrib. of quattuor four]

quatifier.html - n.
1 a set of four.
2 Math. a complex number of the form w + xi + yj + zk, where w, x, y, z are real numbers and i, j, k are imaginary units that satisfy certain conditions. [ME f. LL quaternio -onis (as QUATERNARY)]

quatifier.html - n.
any fourteen-line poem; an irregular sonnet. [F quatorzaine f. quatorze fourteen f. L quattuordecim]

quatifier.html - n.
a set of four aces, kings, queens, or jacks, in one hand at piquet, scoring fourteen. [F: see QUATORZAIN]

quatifier.html - n.
a stanza of four lines, usu. with alternate rhymes. [F f. quatre four f. L quattuor]