definition of
birth

[1] #1 birth n. the time when something begins (especially life); "they divorced after the birth of the child"; "his election signaled the birth of a new age". wn

[2] #2 birth n. [nativity, nascency, nascence] the event of being born; "they celebrated the birth of their first child". wn

[3] #3 birth n. [parturition, giving birth, birthing] the process of giving birth. wn

[4] #4 birth v. [give birth, deliver, bear, have] cause to be born; "My wife had twins yesterday!". wn

[5] #5 birth n. [parentage] the kinship relation of an offspring to the parents. wn