| SEC | following the first in an ordering or series |
|---|---|
| SEC | 1/60 of a minute |
| SEC | a particular point in time |
| SEC | an indefinitely short time |
| SEC | give support or one's blessing to |
| SEC | having the second highest gear ratio |
| SEC | coming next after first |
| SEC | (music) a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first |
| SEC | coming next after the first in position in space or time or degree or magnitude |
| SEC | in the second place |
| SEC | (Christian theology) the reappearance of Jesus as judge for the Last Judgment |
| SEC | any Christian religion that believes the second coming of Christ is imminent |