1.1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

2.an indefinitely short time;

wait just a moment

3.the fielding position of the player on a baseball team who is stationed near 2nd base

4.a particular point in time;

the moment he arrived the party began

5.following the first in an ordering or series;

he came in a close second

6.a 60th part of a minute of arc;

the treasure is 2 minutes and 45 seconds south of here

7.the official attendant of a contestant in a duel or boxing match

8.a speech seconding a motion;

do I hear a second?

9.the gear that has the second lowest forward gear ratio in the gear box of a motor vehicle;

he had to shift down into second to make the hill

10. merchandise that has imperfections; usually sold at a reduced price without the brand name

11.coming next after the first in position in space or time or degree or magnitude

12.coming next after first;

a second chance

13.a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first;

second flute

14.having the second highest gear ratio;

second gear

15.in the second place;

second, we must consider the economy