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(n.) A group of three literary or musical works that have a related theme.


(v.) to divide into three parts


(n.) A group of three; especially in authority


(n.) A quarter of a circle or of its circumfrence. An early machine for measuring altitudes. Any of the four parts of an area divided by perpendicular lines.


(n.) A musical composition for four voices or instruments. a set of four, especially of four musicians


(n.) A stanza or group of four lines of poetry.


(v.) To destroy a large part of. To kill one in every ten


(n.) An athletic contest in which each contestant takes part in ten events


(n.) A two-hundredth anniversary. (adj.) Happening every 200 years


(adj.) Pertaining to a 100-year period. (n.) a centennial


(adj.) referring to a thermometer scale of 100 degrees where water freezes at 0 degrees and boils at 100 degrees

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