Definition of generation
1 a
: a body of living beings constituting a single step in the line of descent from an ancestor
b
: a group of individuals born and living contemporaneously
- the younger generation
c
: a group of individuals having contemporaneously a status (such as that of students in a school) which each one holds only for a limited period
d
: a type or class of objects usually developed from an earlier type
- first of the … new generation of powerful supersonic fighters
- —Kenneth Koyen
2 a
: the action or process of producing offspring : procreation
b
: the process of coming or bringing into being
- generation of income
c
: origination by a generating process : production;
especially
: formation of a geometric figure by motion of another
3
: the average span of time between the birth of parents and that of their offspring
