A unit of time equal to one sixtieth of a minute. The race was won by a margin of just a few seconds.
A person or thing that is next in order or importance after the first. She was the second in line to receive the award.
An additional helping of food. He went back for seconds of the delicious pie.
A person who assists or supports another, especially in a duel or boxing match. His second was ready to step in if the situation got out of hand.
A level of university degree at British universities. An upper second is a good degree and a lower second is average. He got a good second in history.
Next after the first in order, place, time, or importance. She finished in second place in the race.
Alternate or substitute; not primary. He was the second choice for the role after the first actor declined.
I need a second opinion before making a decision.
In a group of musicians or singers, relating to the lower of two instruments, voices, or parts. I started as second trumpet, and I'm still second trumpet.