Meaning of “second” - Learner’s Dictionary

second

adjective, pronoun us uk /ˈsekənd/
This is his second attempt at the exam.Let's reverse the order - I'll give the first talk and you the second.After Harding won the second set, a major upset seemed likely.I've taken a second job in the evenings just to make ends meet.He scored two goals in the second half.
AFTER FIRST

A1 referring to the person, thing, or event that comes immediately after the first:

You're second on the list.
This is my second piece of chocolate cake.
She didn't win but she did come second (= was the one after the winner) in one race.
NUMBER

(Definition of “second adjective, pronoun” from the Cambridge Learner’s Dictionary © Cambridge University Press)