A very short, unspecified length of time.
The time taken for light to travel a specified distance in a vacuum, usually one centimetre, but sometimes one foot or the width of a nucleon.
A unit of time defined by the frequency of its basic timer – historically, and by convention, 0.01 of a second, but some computer operating systems use other values.
The length of an alternating current power cycle (1/60 or 1/50 of a second).
A short, indeterminate amount of time.
The agent of a party to an honour dispute whose role was to try to resolve the dispute or to make the necessary arrangements for a duel.
An additional helping of food.
Something that is number two in a series.
A second-class honours degree.
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.
A unit of angle equal to one-sixtieth of a minute of arc or one part in 3600 of a degree.
The interval between two adjacent notes in a diatonic scale (either or both of them may be raised or lowered from the basic scale via any type of accidental).
A manufactured item that, though still usable, fails to meet quality control standards.
Second base.
Something that is next in rank, quality, precedence, position, status, or authority.
One who supports or seconds a motion, or the act itself, as required in certain meetings to pass judgement etc.
A chance or attempt to achieve what should have been done the first time, usually indicating success this time around. (See second-guess.)
The place that is next below or after first in a race or contest.
A Cub Scout appointed to assist the sixer.
The second gear of an engine.
One who supports another in a contest or combat, such as a dueller's assistant.
To climb after a lead climber.
To assist or support; to back.
To agree as a second person to (a proposal), usually to reach a necessary quorum of two. (See under [[#Etymology 3]] for translations.)
To agree as a second person to (a proposal), usually to reach a necessary quorum of two. (This may come from the English adjective above.)
To accompany by singing as the second performer.
To follow in the next place; to succeed.
To transfer temporarily to alternative employment.
Number-two; following after the first one with nothing between them. The ordinal number corresponding to the cardinal number two.
Next to the first in value, power, excellence, dignity, or rank; secondary; subordinate; inferior.
Being of the same kind as one that has preceded; another.
After the first; at the second rank.
After the first occurrence but before the third.