Sex*ag"e*na*ry (?), a. [L. sexagenarius, fr. sexageni sixty each, akin to sexaginta sixty, sex six: cf. sexag'enaire. See Six.]

Pertaining to, or designating, the number sixty; proceeding by sixties; sixty years old.

Sexagenary arithmetic. See under Sexagesimal. -- Sexagenary, ∨ Sexagesimal, scale Math., a scale of numbers in which the modulus is sixty. It is used in treating the divisions of the circle.


© Webster 1913.

Sex*ag"e*na*ry, n.


Something composed of sixty parts or divisions.


A sexagenarian.

Sir W. Scott.


© Webster 1913.