SEC

noun

1. Second, 1/60 of a minute.

noun

1. One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest.
2. A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.
3. A short, indeterminate amount of time.