second
1noun
ˈsekənd 
ˈsekənd 
1 [countable] (symb. ″) (abbr. sec.) a unit for measuring time. There are 60 seconds in one minuteShe can run 100 metres in just over 11 seconds.For several seconds he did not reply.The light flashes every 5 seconds.The water flows at about 1.5 metres per second.2 [countable] (also informal sec) a very short timeSynonym
momentI'll be with you in a second.They had finished in/within seconds.He scored again in the dying seconds (= the last few seconds) of the game. see also split second3 [countable] (symb. ″) a unit for measuring angles. There are 60 seconds in one minute1° 6′ 10″ (= one degree, six minutes and ten seconds)4 seconds [plural] (informal) a second amount of the same food that you have just eatenSeconds, anybody?5 [countable, usually plural] an item that is sold at a lower price than usual because it is not perfect6 (also second gear) [uncountable] one of four or five positions of the gears in a vehicleWhen it's icy, move off in second.to change down from third to second7 [countable] a level of university degree at British universities. An upper second is a good degree and a lower second is average. compare first noun (4), third noun (2)8 [countable] a person whose role is to help and support somebody else, for example in a boxing match or in a formal duel in the past Idioms
see just a minute/moment/second at just adverb, wait a minute/moment/second at wait verb