1 [singular] : something that is second : the second thing in a series
▪ His birthday is on the second of June. [=on June 2] ▪ The win was his second of the year. — see also a close second at ²close 2 seconds [plural] : another serving of food taken after you are finished with the first serving
▪ Who wants seconds? 3 [singular] : a statement made to support or approve a motion in a meeting
▪ There's been a motion to vote on the proposal. Do I hear a second? 4 [count] : a product that is cheaper than normal because it is damaged or imperfect — usually plural ▪ These curtains are seconds. ▪ The store sells factory seconds. 5 [noncount] : the forward gear or speed in a vehicle that is one speed higher than first gear
▪ Put the car/bicycle in second when you go up the hill. 6 [count] Brit : an undergraduate degree of the second highest level from a British university
▪ He took/received a second in history. 7 [noncount] baseball : second base
▪ He stole second. ▪ There's a runner on second. 8 [count] : a person whose job is to help someone who is fighting in a boxing match or duel