sex

[ L. sex six. See Six. ] A combining form meaning six; as, sexdigitism; sexennial. [ 1913 Webster ]

n. [ See Sexagenary. ] A person who is sixty years old. [ 1913 Webster ]

n. 1. Something composed of sixty parts or divisions. [ 1913 Webster ]

2. A sexagenarian. Sir W. Scott. [ 1913 Webster ]

a. [ L. sexagenarius, fr. sexageni sixty each, akin to sexaginta sixty, sex six: cf. sexagénaire. See Six. ] Pertaining to, or designating, the number sixty; poceeding by sixties; sixty years old. [ 1913 Webster ]

Sexagenary arithmetic. See under Sexagesimal. --
Sexagenary scale, or
Sexagesimal scale (Math.), a scale of numbers in which the modulus is sixty. It is used in treating the divisions of the circle. [ 1913 Webster ]

‖n. [ L., fem. of sexagesimus sixtieth, fr. sexaginta sixty. ] (Eccl.) The second Sunday before Lent; -- so called as being about the sixtieth day before Easter. [ 1913 Webster ]

a. [ Cf. F. sexagésimal. ] Pertaining to, or founded on, the number sixty. [ 1913 Webster ]

Sexagesimal fractions or
Sexagesimal numbers (Arith. & Alg.), those fractions whose denominators are some power of sixty; as, 1/60, 1/3600, 1/216000; -- called also astronomical fractions, because formerly there were no others used in astronomical calculations. --
Sexagesimal arithmetic, or
Sexagenary arithmetic, the method of computing by the sexagenary scale, or by sixties. --
Sexagesimal scale (Math.), the sexagenary scale. [ 1913 Webster ]

n. A sexagesimal fraction. [ 1913 Webster ]

n. [ L. sexangulus sexangular; sex six + angulus angle: cf. F. sexangle. Cf. Hexangular. ] (Geom.) A hexagon. [ R. ] Hutton. [ 1913 Webster ]